LAS VEGAS, NV - SEPTEMBER 21: Frontman Billie Joe Armstrong of Green Day performs onstage during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 21, 2012 in Las Vegas, ... more 
LAS VEGAS, NV - SEPTEMBER 21: Frontman Billie Joe Armstrong of Green Day performs 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) less 
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Getty Images | Photo By Isaac Brekken / Getty Images for Clear Channel
Sat, Sep 22, 2012 3:10 AM EDT