lead vocals Phil Collen – lead guitars, backing vocals Steve Clark – rhythm and lead guitars Vivian Campbell - rhythm guitar, backing vocals (2012 re-recording) Rick Savage – bass, backing vocals Rick Allen – drums Charts Weekly charts Year-end charts Certifications See also List of glam metal albums and songs Notes Notes 1987 singles 1987 songs Def Leppard songs Cashbox number-one singles RPM Top Singles number-one singles Song recordings produced by Robert John "Mutt" Lange Songs written by Robert John "Mutt" Lange Music videos directed by Russell Mulcahy Music videos directed by Wayne Isham Mercury Records singles British pop rock songs Songs involved in plagiarism controversies