Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Boxing legend Muhammad Ali (L) and wife Lonnie Ali appear onstage during the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) (L-R) Former tennis players Steffi Graff and Andre Agassi attend the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Actor James Gandolfini attends the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Recording artist Stevie Wonder performs onstage at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Soccer player David Beckham speaks at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Recording artist John Legend performs onstage at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) (L-R) Recording artist John Legend, Stella Arroyave and actor Anthony Hopkins attend the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Recording artist John Legend performs onstage at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) (L-R) Lonnie Ali, boxing legend Muhammad Ali and recording artist Sean "Diddy" Combs appear onstage during the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Recording artist Lenny Kravitz performs at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Soccer player David Beckham speaks at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Recording artist Chris Cornell performs at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Singer Kelly Rowland performs onstage at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Singer Kelly Rowland performs onstage at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Singer Kelly Rowland performs onstage at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) (L-R) Chuck Mathewson, former boxer Sugar Ray Leonard and Keep Memory Alive Founder Larry Ruvo attend the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Recording artist Lenny Kravitz performs at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Rapper Snoop Dogg performs onstage at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Rapper Snoop Dogg performs onstage at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Recording artist Sean "Diddy" Combs speaks onstage at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Rapper/actor LL Cool J performs his song, "Mama Said Knock You Out" at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Recording artist Cee Lo Green performs at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Boxers George Foreman, Leon Spinks, Earnie Shavers, Ken Norton, George Chuvalo and Chuck Wepner appear onstage at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Recording artist Lenny Kravitz appears onstage at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Recording artist Cee Lo Green (C) is escorted on stage by models during an auction at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Former boxer Sugar Ray Leonard (L) and Keep Memory Alive Founder Larry Ruvo attend the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Recording artist Cee Lo Green speaks during an auction at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Rapper/actor LL Cool J performs his song, "Mama Said Knock You Out" at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Recording artist John Legend performs onstage at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (L-R) Rande Gerber and his wife, model Cindy Crawford and former tennis players Steffi Graff and Andre Agassi attend the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Recording artist and actor Common speaks onstage at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) (L-R) Recording artist and actor Kris Kristofferson, actor Anthony Hopkins, Stella Arroyave and actor Samuel L. Jackson attend the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) (L-R) Actor Brad Garrett and IsaBeall Quella attend the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Recording artist Stevie Wonder performs onstage at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Recording artist Stevie Wonder performs onstage at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Record producer Quincy Jones speaks onstage at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) (L-R) Owner and general manager of the NFL's Dallas Cowboys, Jerry Jones, actor Anthony Hopkins and actor and recording artist Kris Kristofferson attend the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) (L-R) Lonnie Ali, boxing legend Muhammad Ali and recording artist Sean "Diddy" Combs appear onstage during the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Model Cindy Crawford speaks at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) A model appears on stage wearing boxing gloves during an auction at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Recording artist Sean "Diddy" Combs speaks onstage at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Singer/songwriter Ne-Yo speaks at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Recording artist Cee Lo Green performs with showgirls from the Jubilee! production show at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Recording artist Cee Lo Green performs with showgirls from the Jubilee! production show at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Singer/songwriter Ne-Yo speaks at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Rapper Snoop Dogg performs onstage at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Rapper/actor LL Cool J (L) and producer Quincy Jones appear onstage at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Recording artist Slash performs onstage at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Singer Kelly Rowland performs at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Rapper/actor LL Cool J performs his song, "Mama Said Knock You Out" at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Singer Kelly Rowland performs at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Actor Samuel L. Jackson speaks onstage at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Actor Samuel L. Jackson speaks onstage at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Actor Terrence Howard speaks onstage at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Boxer Evander Holyfield speaks onstage at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Recording artist and actor Common speaks onstage at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Recording artist John Legend performs at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) A screen image shows the amount of money raised near the start of an auction at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)

Keep Memory Alive's 16th Annual "Power Of Love Gala" Celebrates Muhammad Ali's 70th Birthday - Inside

LAS VEGAS, NV - FEBRUARY 18: (EXCLUSIVE COVERAGE) Actor Ken Jeong speaks at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena February 18, 2012 in Las Vegas, Nevada. The event benefits the Cleveland Clinic Lou Ruvo Center for Brain Health and the Muhammad Ali Center. (Photo by Ethan Miller/Getty Images for Keep Memory Alive)