2012 iHeartRadio Music Festival – Rolling Stone
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2012 iHeartRadio Music Festival

Green Day, Usher, Lil Wayne, Psy, Rihanna and more take the stage in Las Vegas

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Billie Joe Armstrong of Green Day performs during the 2012 iHeartRadio Music Festival at MGM Grand Garden Arena on September 21, 2012 in Las Vegas, Nevada.

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Billie Joe Armstrong of Green Day performs onstage during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 21st, 2012 in Las Vegas.

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In the Crowd

Billie Joe Armstrong of Green Day performs onstage during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 21st, 2012 in Las Vegas.

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Psy

Psy performs onstage during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 21st, 2012 in Las Vegas.

iheartradio, i, heart, radio, greenday, rihanna, bon jovi

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Lil Wayne

Lil Wayne performs onstage during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 21st, 2012 in Las Vegas.

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Swedish House Mafia

Steve Angello, Axwell and Sebastian Ingrosso of Swedish House Mafia perform onstage during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 21st, 2012 in Las Vegas. 

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Bon Jovi and Richie Sambora

Richie Sambora and Jon Bon Jovi perform onstage during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 21st, 2012 in Las Vegas.  

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Jason Aldean

Jason Aldean performs onstage during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 21st, 2012 in Las Vegas.

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Rihanna

Rihanna performs during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 21st, 2012 in Las Vegas.

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Usher

Usher performs onstage during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 21st, 2012 in Las Vegas.

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Pistol Annies

Musicians Ashley Monroe, Angaleena Presley and Miranda Lambert of Pistol Annies perform during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 21st, 2012 in Las Vegas.

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Gwen and Pink

Gwen Stefani of No Doubt and Pink perform together during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 21st, 2012 in Las Vegas.

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Gwen Stefani

Gwen Stefani of No Doubt performs onstage during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 21st, 2012 in Las Vegas.

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Gerard Way

Singer Gerard Way of My Chemical Romance performs with Deadmau5 onstage during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 22nd, 2012 in Las Vegas.

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Christopher Polk/Getty Images for Clear Channel

Aerosmith

Singer Steven Tyler and guitarist Joe Perry of Aerosmith perform onstage during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 22nd, 2012 in Las Vegas.

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Pink

Pink performs onstage during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 22nd, 2012 in Las Vegas. 

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Christopher Polk/Getty Images for Clear Channel

Brad Paisley

Brad Paisley performs onstage during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 22nd, 2012 in Las Vegas. 

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Taylor Swift

Taylor Swift performs onstage during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 22nd, 2012 in Las Vegas.

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Taylor Swift

Taylor Swift performs onstage during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 22nd, 2012 in Las Vegas.

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Enrique Iglesias

Enrique Iglesias performs onstage during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 22nd, 2012 in Las Vegas.

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Christopher Polk/Getty Images for Clear Channel

Prince and Mary J. Blige

Prince and singer Mary J. Blige perform onstage during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 22nd, 2012 in Las Vegas.

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Deadmau5

Deadmau5 performs onstage during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 22nd, 2012 in Las Vegas.

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Calvin Harris

Calvin Harris performs onstage during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 22nd, 2012 in Las Vegas. 

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Linkin Park

Linkin Park performs onstage during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 22nd, 2012 in Las Vegas.

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Christopher Polk/Getty Images for Clear Channel

Pitbull and Ne-Yo

Pitbull and Ne-Yo perform during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 22nd, 2012 in Las Vegas.

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