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