Ozzy Osbourne Wants To Beat Up Kelly's Ex

Wildman rocker Ozzy Osbourne plans to knock some sense into daughter Kelly Osbourne's former boyfriend Bert McCracken after he publicly dumped her on Valentine's Day.

Ozzy, 55, is so upset at how The Used singer treated Kelly, that he's threatened to hit him if he ever sees him again.

Kelly says, "My dad says if he ever sees Bert, he wants to beat him up."

"That's so weird, because he's such a non-vicious person, but he said from day one, 'Kelly, this is a bad person, I don't like him, he's going to hurt you.'"

"I just said, 'Look, I love him, I can't help it.' And then Dad saw how he shattered my world, and to this day he still thinks Bert's the biggest tosser."