Alicia Keys, Christina Aguilera and The Wanted are among the performers taking the stage at tonight's "People's Choice Awards." All three performers are also up for awards. Aguilera is nominated for Favorite Celebrity Judge for "The Voice," going up against both Britney Spears and Demi Lovato from "X Factor." Alicia Keys is nominated for Favorite R&B Artist along with Beyonce, Bruno Mars, Rihanna and Usher. The Wanted could be the winners in the Favorite Breakout Artist category, which also includes Carly Rae Jepsen and boy band rivals One Direction. Jepsen's "Call Me Maybe" is also nominated for Favorite Song along with Maroon 5's "One More Night," Taylor Swift's "We Are Never Ever Getting Back Together," Fun.'s "We Are Young" and One Direction's "What Makes You Beautiful." For Favorite Album, Justin Bieber's "Believe," Carrie Underwood's "Blown Away," Maroon 5's "Overexposed," Fun.'s "Some Nights" and One Direction's "Up All Night" all go head-to-head. The award show is airing live from the Nokia Theater in Los Angeles on CBS starting at 9:00 p.m. Eastern.