The magazine reports that Britney had hired a dancer from her "Toxic" video, Matt Felker, to join her again for her latest video. But as Kevin used to be a back up dancer himself, he knows what goes on behind the scenes and didn't want Britney to be tempted. Worried about his wife, Kevin "insisted that Britney fire Matt and all of the other male dancers she'd hired and replace them with females."

And Federline isn't just afraid of his competition from other men. He's also worried that Spears might decide to drop him if she regains her title as the princess of pop. An insider said, "Kevin doesn't want Britney to be making sexy moves again. He's even telling her she doesn't need to lose all of her pregnancy weight."