India, July 27 -- Johnny Depp joined forces with rock legend Alice Cooper to pay tribute to late Ozzy Osbourne during a sold-out concert at London's O2 Arena on Friday night. Cooper, 77, paused his set to honor the legendary Black Sabbath frontman, who died on July 22 after years of health battles including a Parkinson's diagnosis, People magazine reported.

"Even though everybody saw it coming with Ozzy, it just took our breath away when it happened," DailyMail quoted Cooper as saying.

He added that the whole world was mourning Ozzy Osbourne's demise.

The crowd was left surprised when Johnny Depp, 62, walked on stage mid-performance, with guitar in hand. Depp, who is a longtime friend and bandmate of Cooper in Hollywood Vampires group,...