Rapper 50 Cent blames Kevin Federline for the predicament troubled pop star Britney Spears currently finds herself in. The hip-hop superstar believes Spears would still be enjoying her phenomenally successful pop career if she had never met her now-former husband Federline. And 50 Cent thinks Spears' public downfall - including wayward behaviour such as shaving her head before a recent rehab stint - wouldn't have taken place if Britney had avoided her dancer/rapper ex. He says, "I think she brought too many people in. Kevin whatever his name is, who is he? She made him a star. "She should have left his ass in the closet, then he would have stayed and everything would have been exactly the way it needed to be."