LAS VEGAS, NV - SEPTEMBER 20: Nate Ruess of Fun. (L) and Adam Lambert perform onstage during the iHeartRadio Music Festival at the MGM Grand Garden Arena on September 20, 2013 in Las Vegas, Nevada. ... more 
LAS VEGAS, NV - SEPTEMBER 20: Nate Ruess of Fun. (L) and Adam Lambert perform onstage during the iHeartRadio Music Festival at the MGM Grand Garden Arena on September 20, 2013 in Las Vegas, Nevada. (Photo by Christopher Polk/Getty Images for Clear Channel) less 
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Getty Images | Photo By Christopher Polk / Getty Images for Clear Channel
Sat, Sep 21, 2013 4:51 AM EDT