The Black Sabbath frontman, famously known as the Prince of Darkness, died last month at the age of 76 - just weeks after performing his final concert.

Ozzy Osbourne died at age 76 of a heart attack, according to his death certificate obtained by the New York Times and the U.K. Sun.

Rock legend Ozzy Osbourne expressed astonishment at the overwhelming support from his admirers following his final performance, his widow Sharon has disclosed. The Black Sabbath frontman told Sharon Osbourne "I had no idea that so many people liked me" after taking his final bow at Birmingham's Villa Park on July 5.