LAS VEGAS, NV - SEPTEMBER 21: Recording artist Bruno Mars performs onstage during the iHeartRadio Music Festival at the MGM Grand Garden Arena on September 21, 2013 in Las Vegas, Nevada. (Photo by ... more 
LAS VEGAS, NV - SEPTEMBER 21: Recording artist Bruno Mars performs onstage during the iHeartRadio Music Festival at the MGM Grand Garden Arena on September 21, 2013 in Las Vegas, Nevada. (Photo by Rich Polk/Getty Images for Clear Channel) less 
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Getty Images | Photo By Rich Polk / Getty Images for Clear Channel
Sun, Sep 22, 2013 1:19 AM EDT