Green Day lead vocalist and guitarist Billie Joe Armstrong performs during the 2012 iHeart Radio Music Festival in Las Vegas

 
Green Day lead vocalist and guitarist Billie Joe Armstrong performs during the 2012 iHeart Radio Music Festival in Las Vegas
Green Day lead vocalist and guitarist Billie Joe Armstrong performs during the 2012 iHeart Radio Music Festival at the MGM Grand Garden Arena in Las Vegas, Nevada September 21, 2012. REUTERS/Steve Marcus