Green Day lead singer Billie Joe Armstrong pulls a fan up onstage to get the chance to lead one of their songs during the band's show on Saturday at the Petersen Events Center. The band stopped in Pittsburgh as a part of their Revolution Radio Tour. (Photos by Stephanie Strasburg/Pittsburgh Post-Gazette) #Pittsburgh #PGH #412 #GreenDay #RevolutionRadioTour #PetersenEventsCenter #GreenDayTour #BillieJoeArmstrong #AmericanIdiot #PGPhotos