LAS VEGAS, NV - SEPTEMBER 21: Rapper Psy performs onstage during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 21, 2012 in Las Vegas, Nevada. (Photo by Michael ... more 
LAS VEGAS, NV - SEPTEMBER 21: Rapper Psy performs onstage during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 21, 2012 in Las Vegas, Nevada. (Photo by Michael Kovac/Getty Images for Clear Channel) less 
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Getty Images | Photo By Michael Kovac / Getty Images for Clear Channel
Sat, Sep 22, 2012 4:59 AM EDT