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

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 rocker proposed to the former 'Fashion Police' host during her dad Ozzy Osbourne's final concert with Black Sabbath at England’s Villa Park on Saturday,