The Adrenalize World Tour – also known as the Adrenalize "Seven Day Weekend" Tour – was a concert tour by British hard rock band Def Leppard to support the Adrenalize album, released in March 1992. It was their first tour without guitarist Steve Clark, who died in January 1991 while the album was recorded. Former Dio and Whitesnake guitarist Vivian Campbell joined six weeks before the tour began. In 1992 and early 1993, the tour was performed in the round, with the stage surrounded by the audience; a format Leppard first used on the 1987/1988 Hysteria World Tour.