Singer Katy Perry performs 'Firework' at the 2010 American Music Awards in Los Angeles November 21, 2010. REUTERS/Mario Anzuoni
Rihanna performs at the 38th Annual American Music Awards on Sunday, Nov. 21, 2010 in Los Angeles. (AP Photo/Matt Sayles)
Singer Taylor Swift accepts the award for Favorite Country Female Artist at the 2010 American Music Awards in Los Angeles November 21, 2010. REUTERS/Mario Anzuoni
Singer Nicki Minaj arrives at the 2010 American Music Awards in Los Angeles November 21, 2010. REUTERS/Danny Moloshok
Singers Pitbull and Enrique Iglesias perform onstage during the 2010 American Music Awards held at Nokia Theatre L.A. Live on November 21, 2010 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images for DCP)
Singer Ne-Yo arrives at the 2010 American Music Awards in Los Angeles November 21, 2010. REUTERS/Danny Moloshok
Singer Usher reacts after winning Favorite R&B/Soul Album for 'Raymond vs Raymond' at the 2010 American Music Awards in Los Angeles November 21, 2010. REUTERS/Mario Anzuoni
Justin Bieber performs 'Pray' at the 2010 American Music Awards in Los Angeles November 21, 2010. Bieber won the Pop/Rock Music - Favorite Male Artist award.
Fergie of The Black Eyed Peas, and winner of Pop/Rock Music - Favorite Band, Duo or Group award performs 'The Time' at the 2010 American Music Awards in Los Angeles November 21, 2010.
