Ozzy Osbourne's official cause of death has been revealed as a heart attack, according to his death certificate. Coronary ...

Jack Osbourne honored Ozzy Osbourne with a touching Instagram tribute featuring rare personal photos of the Black Sabbath rocker with his grandchildren.

Growing up, Jack was featured on the MTV reality show The Osbournes, which starred his famous family from 2002 to 2005. Fans ...