For the cover during the London gig, Cooper was joined by actor/guitarist Johnny Depp, who made a late entry onto the stage and locked in alongside Nita Strauss, Ryan Roxie and Tommy Henriksen to hold down Tony Iommi’s iconic riff.

"Pirates of the Caribbean" star Johnny Depp joined Alice Cooper on stage in London Friday to honor late rock icon Ozzy Osbourne with a performance of Black Sabbath's hit "Paranoid."

Inevitably, and rightfully, at their more-or-less co-headline concert at a busy O2 Arena, both Judas Priest and Alice Cooper found ways to memorialise their late comrade in metal, the pioneer Ozzy Osbourne,