Def Leppard Perform At London Wembley Arena In 1988 [Getty Images]

LONDON, UNITED KINGDOM - APRIL 12: Steve Clark and Joe Elliott 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)

Redferns Pete Still