Johnny Depp surprised fans by joining Alice Cooper's July 25 concert in London to perform Black Sabbath's hit "Paranoid" as a tribute to Ozzy Osbourne, who died three days prior at the age of 76.

Johnny Depp surprised fans at Alice Cooper's London concert with an emotional tribute to Ozzy Osbourne following the rock legend's death

Osbourne died on Tuesday at 76, just weeks after he and Black Sabbath performed at their farewell Back to the Beginning concert earlier in July.

Johnny Depp surprised fans by joining Alice Cooper's July 25 concert in London to perform Black Sabbath's hit "Paranoid" as a tribute to Ozzy Osbourne, who died three days prior at the age of 76.

" is one of the more sentimental songs among the group's heavy metal anthems. In 2003, Osbourne and Kelly released a duet of the track rewritten to match their own story. The tender father-daughter remake served as a microcosm for the rocker's contradictions: a harsh,

"The Osbournes kicked off a wave of celebrity-driven reality TV," Andy Dehnart, president of the Television Critics Association and editor of the Reality Blurred website, told the BBC. According to The Osbournes executive producer Greg Johnston,