Article continues below advertisementOzzy Osbourne, the legendary rock star known as the Prince of Darkness, has left the world at 76. The musician, who helped shape heavy metal, passed away shortly after performing his final concert in Birmingham, England, where he belted out hits from both his Black Sabbath days and solo career while seated on a throne.Article continues below advertisementSource: MEGAThe Prince of Darkness has passed away at the age of 76.