Justin Bieber performs onstage at the Teen Choice Awards on Sunday in Universal City, Calif.

Associated Press

Ellen DeGeneres, center, accepts the award for choice comedian onstage with Rosie Mcclelland, left, and Sophia Grace Brownlee at the Teen Choice Awards on Sunday in Universal City, Calif.

Associated Press

Zac Efron accepts the award for choice movie actor onstage at the Teen Choice Awards on Sunday.

Associated Press

Zooey Deschanel, left, and Selena Gomez speak onstage at the Teen Choice Awards on Sunday.

Associated Press

Jonah Hill accepts the award for choice comedy movie award onstage at the Teen Choice Awards on Sunday.

Associated Press

Justin Bieber performs onstage at the Teen Choice Awards on Sunday.

Associated Press

Miranda Cosgrove accepts the Acuvue Inspire award at the Teen Choice Awards on Sunday.

Associated Press

Chris Hemsworth, also known as "Thor," accepts the award for choice summer movie star onstage at the Teen Choice Awards on Sunday.

Associated Press

Zoe Saldana and Taylor Lautner speak onstage at the Teen Choice Awards on Sunday.

Associated Press

Taylor Swift, winner of the award for choice female artist, poses backstage at the Teen Choice Awards on Sunday.

Associated Press

Josh Hutcherson accepts the award for choice movie actor: sci-fi/fantasy at the Teen Choice Awards on Sunday.

Associated Press

Chris Colfer and Victoria Justice speak onstage at the Teen Choice Awards on Sunday.

Associated Press