Ozzy Osbourne's wild wife Sharon is threating to throw bitch Heather Mills off the stage if she turns up at the Brit Awards tomorrow night. Osbourne and rocker husband Ozzy are hosting the annual music awards in London England. And Osbourne says Sir Paul McCartney’s estranged wife won’t be welcome at the event. She says, "I would boot her off. I think she’s a miserable old cow." McCartney will receive a Lifetime Achievement award at the ceremony.