Gallery: Teen Choice Awards

Kristen Stewart, left, and Robert Pattinson accept the award for Ultimate Choice at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by John Shearer/Invision/AP)

Ellen DeGeneres, left, and Portia de Rossi arrive at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by Jordan Strauss/Invision/AP)

Victoria Justice arrives at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by Jordan Strauss/Invision/AP)

Taylor Swift arrives at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by Jordan Strauss/Invision/AP)

Justin Bieber arrives at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by Jordan Strauss/Invision/AP)

Shay Mitchell arrives at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by Jordan Strauss/Invision/AP)

Nikki Reed arrives at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by Jordan Strauss/Invision/AP)

Selena Gomez arrives at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by Jordan Strauss/Invision/AP)

Hayden Panettiere arrives at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by Jordan Strauss/Invision/AP)

Darren Criss arrives at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by Jordan Strauss/Invision/AP)

Demi Lovato arrives at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by Jordan Strauss/Invision/AP)

Lea Michele arrives at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by Jordan Strauss/Invision/AP)

Miranda Cosgrove arrives at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by Jordan Strauss/Invision/AP)

Paul "Pauly D" DelVecchio arrives at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by Jordan Strauss/Invision/AP)

Gwen Stefani arrives at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by Jordan Strauss/Invision/AP)

From left, Tom Dumont, Adrian Young, Gwen Stefani, and Tony Kanal of the band No Doubt arrive at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by Jordan Strauss/Invision/AP)

Zac Efron, winner of the award for choice movie actor, poses backstage at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by Jordan Strauss/Invision/AP)

Lucy Hale poses backstage at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by Jordan Strauss/Invision/AP)

From left, Paul Wesley, Nina Dobrev, Ian Somerhalder and Kat Graham, winners of the award for best TV show: sci-fi/fantasy for Vampire Diaries pose backstage at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by Jordan Strauss/Invision/AP)

Nina Dobrev poses backstage at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by Jordan Strauss/Invision/AP)

Zoe Saldana poses backstage at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by Jordan Strauss/Invision/AP)

Shane West poses backstage at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by Jordan Strauss/Invision/AP)

From left, Kat Graham, Nina Dobrev, Ian Somerhalder, Michael Trevino, Candice Accola and Paul Wesley accept the choice fantasy/sci-fi show award for "The Vampire Diaries" onstage at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by John Shearer/Invision/AP)

Lea Michele, left, and Tyler Posey speak onstage at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by John Shearer/Invision/AP)

Chris Colfer, left, and Victoria Justice speak onstage at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by John Shearer/Invision/AP)

Zachary Levi speaks onstage at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by John Shearer/Invision/AP)

Justin Bieber performs onstage at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by John Shearer/Invision/AP)

Hosts Demi Lovato, left, and Kevin McHale speak onstage at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by John Shearer/Invision/AP)

Ellen DeGeneres accepts the award for choice comedian onstage at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by John Shearer/Invision/AP)

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, July 22, 2012, in Universal City, Calif. (Photo by John Shearer/Invision/AP)

Zooey Deschanel, left, and Selena Gomez speak onstage at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by John Shearer/Invision/AP)

Dax Shepard, left, and Shaun White speak onstage at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by John Shearer/Invision/AP)

From left, Ian Somerhalder, Michael Trevino, and Candice Accola accept the award for choice fantasy/sci-fi show onstage at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by John Shearer/Invision/AP)

Ian Somerhalder accepts the award for choice male hottie onstage at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by John Shearer/Invision/AP)

Jonah Hill accepts the award for choice comedy movie award onstage at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by John Shearer/Invision/AP)

Flo Rida performs onstage at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by John Shearer/Invision/AP)

Flo Rida performs onstage at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by John Shearer/Invision/AP)

Jordin Sparks speaks onstage at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by John Shearer/Invision/AP)

Taylor Swift accepts the award for best female artist onstage at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by John Shearer/Invision/AP)

Chris Hemsworth accepts the award for choice summer movie star onstage at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by John Shearer/Invision/AP)

Josh Hutcherson accepts the award for choice movie actor: sci-fi/fantasy at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by John Shearer/Invision/AP)

Taylor Swift speaks onstage at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by John Shearer/Invision/AP)

Carly Rae Jepsen performs onstage at the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by John Shearer/Invision/AP)

Miranda Cosgrove accepts the Acuvue inspire award during the Teen Choice Awards on Sunday, July 22, 2012, in Universal City, Calif. (Photo by John Shearer/Invision/AP)