Flashback: Taylor Swift and Def Leppard Perform 'Hysteria'
Weeks before 'Fearless' hit shelves in 2008, Taylor Swift performed on the CMT show 'Crossroads'
Watch Miley, Billy Ray Cyrus Cover Def Leppard
Father-daughter team help glam metal band bid farewell to Los Angeles venue House of Blues
Watch Stephen Merchant Get 'Dirrty' on 'Lip Sync Battle'
Writer-comedian channels Christina Aguilera for performance against Malin Akerman
Def Leppard Hit Vegas in Documentary Clip
Multi-episode series follows band's Las Vegas residency