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.

Depp and Cooper performed Black Sabbath's "Paranoid" during a sold-out show at the O2 Arena in London on July 25

The music world came together in an emotional tribute as Johnny Depp made a surprise appearance during Alice Cooper's concert to honor the late Ozzy Osbourne. The unexpected moment left 12,000 fans at London's O2 Arena on Friday,

The singer-songwriter, a native of Birmingham, UK, was born John Michael Osbourne but has been known as Ozzy throughout his lengthy career as a music trailblazer.

Kelly Osbourne spoke out for the first time since Ozzy Osbourne's death on Thursday, July 24. The rocker and father of six died on Tuesday, July 22, at 76 years old. Kelly shared a poignant line from the Black Sabbath song "Changes,

The US groove metal veterans learned about Osbourne’s death mere minutes before taking the stage in Austria on Tuesday