Sharon Osbourne is grieving the loss of her late husband, Ozzy Osbourne, after his shocking death last week at 76. An insider close to the TV personality revealed that the Black Sabbath legend’s passing has left Sharon, 72, so devastated that their children have had to step in to take care of her.

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.