Photos: iHeartRadio Music Festival
iHeartRadio Music Festival
Credit: Getty Images for Clear Channel
LAS VEGAS, NV - SEPTEMBER 21: Frontman Billie Joe Armstrong (L) of Green Day performs onstage with a fan 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)
