As the rock world and fans alike mourn Ozzy Osbourne's death at age 76, some of his peers teamed up to pay tribute.

"He was and will continue to be a rock n roll legend," Cooper said in a statement, hours after Osbourne died on Tuesday.

Johnny Depp joined Alice Cooper on stage at London's O2 Arena to honor the late Ozzy Osbourne, who passed away at 76 after battling Parkinson's diseas

Fans at London’s O2 Arena got more than they bargained for when Johnny Depp made a surprise appearance during a high-voltage Ozzy Osbourne tribute.

A child and her mother were reportedly taken to the hospital after being dragged into a mosh pit, venue says they followed proper protocols throughout the concert

On Thursday, July 24, Jack Osbourne's ex wife, Lisa Stelly, shared a touching post on Instagram of Ozzy Osbourne with his grandchildren through the years after the rocker died on July 22 at 76.