LONDON, UNITED KINGDOM - APRIL 12: Rick Savage, Joe Elliott, Steve Clark and Phil Collen of Def Leppard perform on stage at Wembley Arena on April 12th, 1988 in London, England, on their 'Hysteria' world tour. (Photo by Pete Still/Redferns)
LONDON, UNITED KINGDOM - APRIL 12: Rick Savage, Joe Elliott, Steve Clark and Phil Collen of Def Leppard perform on stage at Wembley Arena on April 12th, 1988 in London, England, on their 'Hysteria' world tour. (Photo by Pete Still/Redferns)