MTV Video Music Awards 2012 red carpet

Singer-actress Miley Cyrus attends the MTV Video Music Awards on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

Singer Rihanna arrives at the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

Singer Taylor Swift arrives at the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

Rapper/singer Nicki Minaj arrives at the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

Ke$ha attends the MTV Video Music Awards on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

AP334105230895_(1).jpg — Jordan Strauss/Invision/AP

U.S. Olympic gynmasts, from left, Kyla Ross, McKayla Maroney, Jordyn Wieber, Gabrielle Douglas, and Alexandra Raisman attend the MTV Video Music Awards on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

Actors Ezra Miller and Emma Watson arrive at the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

Singer Katy Perry arrives at the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

From left, musicians Andrew Dost, Nate Ruess and Jack Antonoff of the band Fun. arrive at the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

Musician Alicia Keys arrives at the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

U.S. Olympian Gabby Douglas arrives at the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

Olympic gymnast McKayla Maroney attends the MTV Video Music Awards on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

Actress Jessica Szohr attends the MTV Video Music Awards on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

From left to right, musicians Tre Cool, Billie Joe Armstrong and Mike Dirnt of Green Day arrive at the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

Miley Cyrus attends the MTV Video Music Awards on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

Singer Katy Perry arrives at the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 201,2 in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

Recording artist Ne-Yo arrives at the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

Singer Pink arrives at the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

Actress Zoe Saldana arrives at the MTV Video Music Awards wearing a dress from the Salvatore Ferragamo Resort 2013 collection on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

RuPaul arrives at the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

Rapper Mac Miller arrives at the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

Taylor Swift arrives at the MTV Video Music Awards on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

Actors Ezra Miller and Emma Watson arrive at the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

Jesse Williams arrives at the MTV Video Music Awards on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

Actress/singer Kat Graham arrives at the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

Rapper 2 Chainz arrives at the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

Musician Tom Petty arrives at the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

Actor Stephen Lunsford arrives at the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

Television personality DJ Paul "Pauly D" DelVecchio arrives at the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

Television personality Dr. Drew Pinsky and his wife Susan Pinsky arrive at the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

Tom Petty arrives with his wife Dana, right, and his daughter Adria at the MTV Video Music Awards on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

Actor Jackson Rathbone arrives at the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

Singer Rita Ora arrives at the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

U.S. Olympian Missy Franklin arrives at the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

Rapper Wiz Khalifa and model Amber Rose arrive at the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

Ronnie Ortiz-Magro and Samantha Giancola from MTV's "Jersey Shore," arrive at the MTV Video Music Awards on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

Actress Crystal Reed arrives at the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

A-Trak, right, and Armand Van Helden of Duck Sauce arrive at the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

Host Kevin Hart arrives at the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

Cast members from MTV's "Jersey Shore," from left, Ronnie Ortiz-Magro, Samantha Giancola, Vinny Guadagnino, Deena Nicole Cortese and Paul DelVecchio arrive at the MTV Video Music Awards on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

Rapper Tyga arrives at the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room

From left, singers Louis Tomlinson, Zayn Malik, Niall Horan, Harry Styles and Liam Payne of One Direction arrive at the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

Pictures: MTV VMAs show highlights
Pictures: MTV VMAs press room