Def Leppard will be inducted into the Rock & Roll Hall of Fame during a ceremony in Brooklyn Friday night, and the British rockers are already out on the town.
Joe Elliott and company set their alarms for an early walk-up call to perform their classic hit "Pour Some Sugar on Me" on Good Morning America. Def Leppard did their best to turn the GMA studio in Times Square into a mini-arena - complete with fist-pumping fans.
