Gene Simmons paid tribute to the fellow rock icon. "Sad to report Ozzy has passed away. He was a giant. Admired and loved by millions of fans worldwide. Prayers and condolences go out to the Osborne family," the KISS rocker wrote, sharing a link to news of his death.

Jack White, Metallica, Rob Zombie, Elton John and more paid tribute to Ozzy Osbourne after the Black Sabbath frontman died at 76 on Tuesday morning. Osbourne had been recovering from several spinal surgeries as well as his ongoing battle with Parkinson's disease.

Elton John says Ozzy Osbourne was ‘in the pantheon of rock gods’ - He joined Rolling Stones guitarist Ronnie Wood and other famous faces in paying tribute to the Black Sabbath singer.