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 shared a video of an intimate moment when Sid Wilson, a musician for Slipknot, got down on one knee in front of friends and family, including her father, Ozzy, and mother, Sharon Osbourne. The engagement took place backstage in Birmingham, England, during Ozzy's final live concert.