Rapper Lil Jon performs onstage at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on November 20, 2011 in Los Angeles, California.

Singer Nicki Minaj accepts Rap/Hip-Hop Favorite Album award onstage at the 2011 American Music Awards

Singer Katy Perry (R) accepts a special achievement American Music Award from model Heidi Klum onstage at the 2011 American Music Awards

Singer Jennifer Lopez accepts Latin Music Favorite Artist award onstage at the 2011 American Music Awards

(L-R) Singers Marc Anthony and Pitbull perform onstage at the 2011 American Music Awards

Singer Mary J. Blige performs onstage at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on November 20, 2011 in Los Angeles, California.

Rapper Drake performs onstage at the 2011 American Music Awards

Singer Bruno Mars accepts Favorite Pop/Rock Male Artist award onstage at the 2011 American Music Awards

Singer Justin Bieber (C) performs onstage with Redfoo (L) and SkyBlu (R) of LMFAO at the 2011 American Music Awards