Do Something Awards

Demi Lovato (L)and Kim Kardashian arrive at the Do Something Awards on August 14, 2011, in Los Angeles. (AP/Chris Pizzello)

Musician Justin Bieber and TV personality Kim Kardashian attend the 2011 VH1 Do Something Awards at the Hollywood Palladium on August 14, 2011, in Hollywood, California. (AFP/Christopher Polk)

Dax Shepherd (L) and Kristen Bell arrive at the Do Something Awards on August 14, 2011, in Los Angeles.  (AP/Chris Pizzello)

British soccer player David Beckham accepts the 'Do Something Athlete' award during the 'Do Something Awards' in Los Angeles, California, August 14, 2011. (Reuters/Gus Ruelas)

Tyra Banks accepts an award at the Do Something Awards on August 14, 2011, in Los Angeles. (AP/Matt Sayles)

Singer Justin Bieber accepts the Do Something Music Artist award onstage during the 2011 VH1 Do Something Awards at the Hollywood Palladium on August 14, 2011, in Hollywood, California. (AFP)

Actress Amy Poehler (R) kisses actor and comedian Will Ferrell as she presents the award to him at the Do Something Awards in Los Angeles, California, August 14, 2011. (Reuters/Gus Ruelas)

British celebrity Chef Gordon Ramsey (R) presents the award to British soccer star David Beckham during the 'Do Something Awards' in Los Angeles, California, August 14, 2011. (Reuters/Gus Ruelas)

TV personality Kim Kardashian speaks onstage during the 2011 VH1 Do Something Awards at the Hollywood Palladium on August 14, 2011, in Hollywood, California. (AFP/Kevin Winter)

British celebrity Chef Gordon Ramsey presents the 'Do Something Athlete' award during the Do Something Awards in Los Angeles, California, August 14, 2011. (Reuters/Gus Ruelas)

Recording artist Demi Lovato arrives at the Do Something Awards in Los Angeles, California August 14, 2011. (Reuters/Gus Ruelas)

Singer Justin Bieber accepts the Do Something Music Artist award onstage during the 2011 VH1 Do Something Awards at the Hollywood Palladium on August 14, 2011, in Hollywood, California. (AFP/Kevin Winter)

Actor Nick Cannon presents during the Do Something Awards in Los Angeles, California, on August 14, 2011. (Reuters/Gus Ruelas)

Actress Olivia Wilde accepts the 'Do Something Movie Star' award during the Do Something Awards in Los Angeles, California, August 14, 2011. (Reuters/Gus Ruelas)

Finalist David Schwartz accepts an award for The Real Food Challenge onstage at the Do Something Awards on August 14, 2011, in Los Angeles. (AP/Matt Sayles)