Alice Cooper pays tribute to Ozzy Osbourne with surprise guest at London concert

Johnny Depp joined Alice Cooper on stage at his gig in London's O2 Arena to honour the late Ozzy Osbourne in a special tribute on Friday night. The Hollywood legend, 62, and rocker Vincent Damon Furnier, known by his stage name Alice Cooper, 77, paid tribute to the legendary musician as they performed Black Sabbath's Paranoid.