Performances at the iHeartRadio Music Fest
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LAS VEGAS, NV - SEPTEMBER 21: Singers Gwen Stefani (L) of No Doubt and Pink perform onstage during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 21, 2012 in Las Vegas, Nevada. (Photo by Isaac Brekken/Getty Images for Clear Channel)
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