Slipknot's Sid Wilson proposed to Kelly Osbourne backstage at Ozzy Osbourne and Black Sabbath's final show on Saturday.

An all-star cast of heavy metal royalty came together to celebrate Ozzy Osbourne and Black Sabbath in the band's home town.

Sid Wilson proposes to Kelly Osbourne backstage at Black Sabbath’s final show, adding a personal twist to a historic metal ...