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 shared a hilarious video on social media of Ozzy Osbourne's reaction to fiance Sid Wilson proposing to her.