Kelly Osbourne and Sid Wilson got engaged at Ozzy Osbourne's final concert — right after the Prince of Darkness weighed in on the Slipknot DJ marrying his daughter.

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.