Kelly Osbourne's engagement to Sid Wilson wound up being a family affair. The Slipknot DJ proposed to the former "Fashion Police" co-host backstage at Ozzy Osbourne's final show Saturday, and she said yes.

Kelly Osbourne and Sid Wilson are engaged after the Slipknot star popped the question in front of her parents, Ozzy and Sharon.

Kelly Osbourne is engaged! That’s right, after the curtains closed on her father Ozzy Osbourne’s last Black Sabbath show, Kelly’s longtime boyfriend Sid Wilson got down on one knee and asked her to marry him.