Joe Elliott and Phil Collen of Def Leppard during LIVE 8 - Philadelphia - Rehearsals at Philadelphia Museum of Art in Philadelphia, Pennsylvania, United States. (Photo by KMazur/WireImage)
Joe Elliott and Phil Collen of Def Leppard during LIVE 8 - Philadelphia - Rehearsals at Philadelphia Museum of Art in Philadelphia, Pennsylvania, United States. (Photo by KMazur/WireImage)