Trending badgeTrendingPosted 1 hour agoSubscribe to BuzzFeed Daily NewsletterCaret DownOzzy Osbourne's Cause Of Death Has Been RevealedThe "Prince of Darkness" died last month at 76.by Kelby VeraHuffPost WriterFacebookPinterestLink Two weeks after he died at his home in Buckinghamshire, England, Ozzy Osbourne's cause of death has been revealed. Larry Busacca / Getty Images According to a death certificate detailed by the New York Times on Tuesday, the two-time Rock & Roll Hall of Fame inductee and reality star died of a heart attack on July 22.