She then shared some insight into how he’s doing emotionally. “Grief is a strange thing-it sneaks up on you in waves,” Kelly wrote. “I will not be ok for a while — but knowing my family are not alone in our pain makes a difference. I’m holding on tight to the love, the light, and the legacy left behind.”

Ozzy Osbourne’s cause of death has been revealed. The Black Sabbath frontman officially died at age 76 from cardiac arrest, acute myocardial infarction, coronary artery disease and Parkinson’s disease on July 22, according to a death certificate obtained by the Sun on Tuesday.

Ozzy Osbourne, the heavy metal and reality television star, died of a heart attack and had suffered from coronary artery disease and Parkinson’s, according to a death certificate filed at a registry in London.