United Kingdom, July 6 -- Kelly Osbourne has got engaged.

The 40-year-old star's long-term partner, Slipknot rocker Sid Wilson, got down on one knee to pop the question to Kelly - with whom he has two-year-old son Sidney - backstage at her dad Ozzy Osbourne's final ever Black Sabbath concert in Birmingham on Saturday (05.07.25) night.

Kelly shared a video of her 48-year-old partner's proposal, which featured her dad and mum Sharon Osbourne unwinding with family and friends.

Sharon could be heard saying: "You've got to be quiet!"

Sid then took Kelly's hand and said: "Kelly, you know I love you more than anything in the world!"

But before he could ask the important question, Paranoid hitmaker Ozzy jumped in.

He laughed: "F*** off, you...