2012 MTV Video Music Awards - Red Carpet

LOS ANGELES, CA - SEPTEMBER 06: A general view of atmosphere during the 2012 MTV Video Music Awards at Staples Center on September 6, 2012 in Los Angeles, California. (Photo by Christopher Polk/Getty Images)

2012 MTV Video Music Awards - Red Carpet

LOS ANGELES, CA - SEPTEMBER 06: Singer Katy Perry arrives at the 2012 MTV Video Music Awards at Staples Center on September 6, 2012 in Los Angeles, California. (Photo by Christopher Polk/Getty Images)

2012 MTV Video Music Awards - Red Carpet

LOS ANGELES, CA - SEPTEMBER 06: Singer Demi Lovato arrives at the 2012 MTV Video Music Awards at Staples Center on September 6, 2012 in Los Angeles, California. (Photo by Christopher Polk/Getty Images)

2012 MTV Video Music Awards - Arrivals

LOS ANGELES, CA - SEPTEMBER 06: Singer Miley Cyrus arrives at the 2012 MTV Video Music Awards at Staples Center on September 6, 2012 in Los Angeles, California. (Photo by Frederick M. Brown/Getty Images)

2012 MTV Video Music Awards - Arrivals

LOS ANGELES, CA - SEPTEMBER 06: Singer Rihanna arrives at the 2012 MTV Video Music Awards at Staples Center on September 6, 2012 in Los Angeles, California. (Photo by Frederick M. Brown/Getty Images)

2012 MTV Video Music Awards - Arrivals

LOS ANGELES, CA - SEPTEMBER 06: U.S. Olympian Gabby Douglas arrives at the 2012 MTV Video Music Awards at Staples Center on September 6, 2012 in Los Angeles, California. (Photo by Frederick M. Brown/Getty Images)

2012 MTV Video Music Awards - Arrivals

LOS ANGELES, CA - SEPTEMBER 06: Actress Holland Roden arrives at the 2012 MTV Video Music Awards at Staples Center on September 6, 2012 in Los Angeles, California. (Photo by Frederick M. Brown/Getty Images)

2012 MTV Video Music Awards - Arrivals

LOS ANGELES, CA - SEPTEMBER 06: Rapper/singer Nicki Minaj arrives at the 2012 MTV Video Music Awards at Staples Center on September 6, 2012 in Los Angeles, California. (Photo by Frederick M. Brown/Getty Images)

2012 MTV Video Music Awards - Red Carpet

LOS ANGELES, CA - SEPTEMBER 06: Singer Katy Perry arrives at the 2012 MTV Video Music Awards at Staples Center on September 6, 2012 in Los Angeles, California. (Photo by Christopher Polk/Getty Images)

2012 MTV Video Music Awards - Red Carpet

LOS ANGELES, CA - SEPTEMBER 06: Singer Taylor Swift arrives at the 2012 MTV Video Music Awards at Staples Center on September 6, 2012 in Los Angeles, California. (Photo by Christopher Polk/Getty Images)

2012 MTV Video Music Awards - Arrivals

LOS ANGELES, CA - SEPTEMBER 06: Musician Alicia Keys arrives at the 2012 MTV Video Music Awards at Staples Center on September 6, 2012 in Los Angeles, California. (Photo by Frederick M. Brown/Getty Images)

2012 MTV Video Music Awards - Arrivals

LOS ANGELES, CA - SEPTEMBER 06: Singer Rihanna arrives at the 2012 MTV Video Music Awards at Staples Center on September 6, 2012 in Los Angeles, California. (Photo by Frederick M. Brown/Getty Images)

2012 MTV Video Music Awards - Red Carpet

LOS ANGELES, CA - SEPTEMBER 06: Rapper/singer Nicki Minaj arrives at the 2012 MTV Video Music Awards at Staples Center on September 6, 2012 in Los Angeles, California. (Photo by Christopher Polk/Getty Images)

2012 MTV Video Music Awards - Arrivals

LOS ANGELES, CA - SEPTEMBER 06: Television personality DJ Paul 'Pauly D' DelVecchio arrives at the 2012 MTV Video Music Awards at Staples Center on September 6, 2012 in Los Angeles, California. (Photo by Frederick M. Brown/Getty Images)

2012 MTV Video Music Awards - Arrivals

LOS ANGELES, CA - SEPTEMBER 06: Singer Rita Ora arrives at the 2012 MTV Video Music Awards at Staples Center on September 6, 2012 in Los Angeles, California. (Photo by Frederick M. Brown/Getty Images)

2012 MTV Video Music Awards - Red Carpet

LOS ANGELES, CA - SEPTEMBER 06: Singer Taylor Swift arrives at the 2012 MTV Video Music Awards at Staples Center on September 6, 2012 in Los Angeles, California. (Photo by Christopher Polk/Getty Images)

2012 MTV Video Music Awards - Arrivals

LOS ANGELES, CA - SEPTEMBER 06: Singer Katy Perry arrives at the 2012 MTV Video Music Awards at Staples Center on September 6, 2012 in Los Angeles, California. (Photo by Frederick M. Brown/Getty Images)

2012 MTV Video Music Awards - Arrivals

LOS ANGELES, CA - SEPTEMBER 06: Singer Pink arrives at the 2012 MTV Video Music Awards at Staples Center on September 6, 2012 in Los Angeles, California. (Photo by Frederick M. Brown/Getty Images)

2012 MTV Video Music Awards - Arrivals

LOS ANGELES, CA - SEPTEMBER 06: Singer Taylor Swift arrives at the 2012 MTV Video Music Awards at Staples Center on September 6, 2012 in Los Angeles, California. (Photo by Frederick M. Brown/Getty Images)

2012 MTV Video Music Awards - Red Carpet

LOS ANGELES, CA - SEPTEMBER 06: Singer Pink arrives at the 2012 MTV Video Music Awards at Staples Center on September 6, 2012 in Los Angeles, California. (Photo by Christopher Polk/Getty Images)

2012 MTV Video Music Awards - Red Carpet

LOS ANGELES, CA - SEPTEMBER 06: Singer Rihanna arrives at the 2012 MTV Video Music Awards at Staples Center on September 6, 2012 in Los Angeles, California. (Photo by Christopher Polk/Getty Images)

2012 MTV Video Music Awards - Arrivals

LOS ANGELES, CA - SEPTEMBER 06: Actress Emma Watson arrives at the 2012 MTV Video Music Awards at Staples Center on September 6, 2012 in Los Angeles, California. (Photo by Frederick M. Brown/Getty Images)

2012 MTV Video Music Awards - Arrivals

LOS ANGELES, CA - SEPTEMBER 06: Singer Miley Cyrus arrives at the 2012 MTV Video Music Awards at Staples Center on September 6, 2012 in Los Angeles, California. (Photo by Frederick M. Brown/Getty Images)

2012 MTV Video Music Awards - Red Carpet

LOS ANGELES, CA - SEPTEMBER 06: (L-R) Musicians Tre Cool, Billie Joe Armstrong and Mike Dirnt of Green Day arrive at the 2012 MTV Video Music Awards at Staples Center on September 6, 2012 in Los Angeles, California. (Photo by Christopher Polk/Getty Images)

2012 MTV Video Music Awards - Red Carpet

LOS ANGELES, CA - SEPTEMBER 06: A general view of atmosphere during the 2012 MTV Video Music Awards at Staples Center on September 6, 2012 in Los Angeles, California. (Photo by Christopher Polk/Getty Images)