MTV Video Music Awards 2012 show highlights

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

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

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

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

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

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Singer Niall Horan, right, of One Direction accepts the Best Pop Video award from singer Katy Perry onstage during the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

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From left to right, singers Niall Horan, Harry Styles, Liam Payne, Louis Tomlinson, and Zayn Malik of One Direction accept the Best Pop Video award onstage during the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

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

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Host Kevin Hart, left, and Dwight Howard speak onstage at the MTV Video Music Awards on Sept. 6, 2012, in Los Angeles.

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Singers Demi Lovato, left, and Rita Ora speak onstage during the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012 in Los Angeles.

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

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

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Harry Styles, of musical group One Direction, gestures as he wins the best pop video award for "What Makes You Beautiful" at the MTV Video Music Awards on Sept. 6, 2012, in Los Angeles.

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Singer Frank Ocean performs onstage during the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

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Singer Chris Brown accepts the award for Best Male Video onstage during the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

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Singer Miley Cyrus and rapper Mac Miller speak onstage during the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

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Actors Rashida Jones and Andy Samberg speak onstage during the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

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From right, Andy Samberg and Rashida Jones present the award for best hip-hop video for "HYFR" to Drake, center, and Nicki Minaj, left, at the MTV Video Music Awards on Sept. 6, 2012, in Los Angeles.

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Lil Wayne accepts the award for best hip-hop video for "Hyfr"at the MTV Video Music Awards on Sept. 6, 2012, in Los Angeles.

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Recording artist Drake accepts the award for Best Hip Hop Video onstage during the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

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Singer Zayn Malik of One Direction performs onstage during the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

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

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From left to right, actress Rebel Wilson and singers Max George, Jay McGuiness, Nathan Sykes, Siva Kaneswaran and Tom Parker of musical group The Wanted speak onstage during the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

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

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Rapper Lil Wayne performs onstage during the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

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

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Ezra Miller, left, and Emma Watson speak onstage at the MTV Video Music Awards on Sept. 6, 2012, in Los Angeles.

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DJ Calvin Harris performs onstage during the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

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From left to right, host Kevin Hart and rapper Psy speak onstage during the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

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From left to right, rappers Lil Wayne and 2 Chainz perform onstage during the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

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

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Singer Alicia Keys performs onstage during the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012 in Los Angeles.

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Gabrielle Douglas performs onstage at the MTV Video Music Awards on Sept. 6, 2012, in Los Angeles.

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Billie Joe Armstrong of musical group Green Day performs at the MTV Video Music Awards on Sept. 6, 2012, in Los Angeles.

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From left to right, rapper Wiz Khalifa and singer Ke$ha speak onstage during the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

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Nicki Minaj performs at the MTV Video Music Awards on Sept. 6, 2012, in Los Angeles.

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Singer Rihanna accepts the award for Video of the Year onstage during the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

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Singer Alicia Keys performs onstage during the 2012 MTV Video Music Awards at Staples Center on Sept. 6, 2012, in Los Angeles.

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

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