The other musical guests confirmed for the upcoming American 음악 Awards are David Guetta, Maroon 5, Kelly Clarkson and LMFAO.

A few days after announcing its nominees, 2011 American 음악 Awards reveals its performers and hosts. Jennifer Lopez, Justin Bieber, Katy Perry are lined up as this year's musical guests, while Nicki Minaj is going to pull a double duty as a performer as well as host.

The other artists confirmed to sing at the annual event are David Guetta, Maroon 5, Kelly Clarkson and LMFAO. Guetta and Maroon 5 are going to perform Usher-featuring "Without You" and Christina Aguilera-assisted "Moves Like Jagger" respectively.

Young Money rapper Minaj will team up with Pitbull to host the show.

J.Lo is vying for one prize this year, battling Pitbull and Enrique Iglesias in 가장 좋아하는 Latin Artist. Justin also gets one nod 의해 competing for 가장 좋아하는 Male Pop/Rock Artist alongside Bruno Mars and Pitbull. Minaj, meanwhile, appears in two categories. She's facing off Lil Wayne and Kanye West in 가장 좋아하는 Rap/Hip-Hop Artist and 가장 좋아하는 Rap/Hip-Hop Album

As for Katy, she scores three nods, all of which pit her against 아델 who dominates the pack with four. The popstar has to beat Adele, Lady GaGa, Weezy and Taylor 빠른, 스위프트 in Artist of the Year.