Ozzy Osbourne's daughter KELLY is set to take to the London stage in hit musical Chicago. The singer-turned-actress, 22, has been in negotiations to play Mama Morton in the West End version of the show, a role made famous by Queen Latifah in the movie adaptation - when she was a more mature 32 years old. A spokesman for Osbourne says, "They've been talking about it but nothing has been signed yet. "If they do sign something it will be next week (begs30Jul07). It all depends on timing because there might be a film in the pipeline too."