Before his death2, Ozzy Osbourne's health was on a decline and played a role in his move back to England with wife Sharon Osbourne. "His health has been fragile for years," a source tells PEOPLE of Osbourne.

Sharon Osbourne has spoken on social media after Ozzy Osbourne‘s death. The British TV personality commented on a tribute to her late husband - who died at the age of 76 on Tuesday (July 22) - written by Gavin Rossdale,

The singer’s sobriety struggles culminated in a violent 1989 confrontation with Sharon, resulting in his arrest for attempted murder.