

Justin Bieber accepts the award for Favorite Male Pop Artist at the 38th annual American Music Awards in Los Angeles, Calif. on Nov. 21. The teen idol singing sensation also won Favorite Pop Album, Breakthrough Artist, and Artist of the Year. Matt Sayles/AP
Justin Bieber performs with a choir at the 38th annual American Music Awards on Nov. 21. Matt Sayles/AP
Usher (l.) congratulates his protege Justin Bieber for the Artist of the Year award at the 38th annual American Music Awards on Nov. 21. In the background looking on is presenter Ryan Seacrest. Matt Sayles/AP
Usher performs at the 38th annual American Music Awards on Nov. 21. Usher won the Soul/R&B Album award for 'Raymond v. Raymond,' as well as the Soul/R&B Male Artist award. Matt Sayles/AP
Rihanna performs a medley of 'Love the Way You Lie,' 'What's My Name,' and 'Only Girl in the World' at the 2010 American Music Awards on Nov. 21. Rihanna won the Soul/R&B Female Artist award.
The Black Eyed Peas perform at the 2010 American Music Awards on Nov. 21. Pictured are (from l.) Fergie, Will.i.am, and Apl.de.ap. The group won the Pop/Rock Band, Duo or Group award. Matt Sayles/AP
The Backstreet Boys (from l.) Brian Thomas Littrell, A.J. McLean, Nick Carter, and Howie Dorough perform at the 2010 American Music Awards on Nov. 21. Matt Sayles/AP
New Kids On The Block perform at the 2010 American Music Awards on Nov. 21. Matt Sayles/AP
Jon Bon Jovi performs a medley of 'What Do You Got?,' 'You Give Love a Bad Name,' and 'It's My Life' at the 2010 American Music Awards on Nov. 21. Mario Anzuoni/Reuters
Ke$ha performs at the 2010 American Music Awards on Nov. 21. Matt Sayles/AP
Taylor Swift accepts the award for Country Female Artist at the 2010 American Music Awards on Nov. 21. Matt Sayles/AP
Lady Antebellum (from l.) Charles Kelley, Hillary Scott, and Dave Haywood accept the award for Country Band, Duo or Group at the 2010 American Music Awards on Nov. 21. Matt Sayles/AP
Singer Michael Buble poses with his award for Favorite Adult Contemporary Music Artist backstage at the 2010 American Music Awards on Nov. 21. Danny Moloshok/Reuters
Singer Ne-Yo performs a medley of songs at the 2010 American Music Awards on Nov. 21. Mario Anzuoni/Reuters
Muse (from l.) Matthew Bellamy, Dominic Howard, and Christopher Wolstenholme accept the award for Alternative Rock Artist at the 2010 American Music Awards on Nov. 21. Matt Sayles/AP
Gavin Rossdale (l.) and Santana perform at the 2010 American Music Awards on Nov. 21. Matt Sayles/AP
Miley Cyrus performs at the 2010 American Music Awards on Nov. 21. Matt Sayles/AP
Train perform at the 2010 American Music Awards on Nov. 21. Matt Sayles/AP
Christina Aguilera performs 'Express' at the 2010 American Music Awards on Nov. 21. Mario Anzuoni/Reuters