Jennifer Lopez performs on the Nivea Countdown Stage on Times Square in New York

Jennifer Lopez performs on the Nivea Countdown Stage on Times Square in New York .

Jennifer Lopez performs on the Nivea Countdown Stage on Times Square in New York.

People Choice Awards in Los Angeles

Nick Cannon helps Mariah Carey go on stage to accepts the award for best R&B artist at the People's Choice Awards in Los Angeles.

Mariah Carey accepts the award for best R&B artist at the People's Choice Awards in Los Angeles.

Carrie Underwood, winner of the favorite country artist award poses backstage at the People's Choice Awards in Los Angeles.

Eli Roth, Diane Kruger and B.J. Novak pose backstage at the People's Choice Awards in Los Angeles. Demi Lovato poses backstage at the People's Choice Awards in Los Angeles. Taraji Penda Henson arrives at the People's Choice Awards in Los Angeles. Ryan Reynolds, left, and Sandra Bullock hold the award for best comedy movie for "The Proposal" at the People's Choice Awards in Los Angeles.