Britney Spears went on a little vacation with her two sons to the desert Wednesday but Kevin Federline is not happy.
Us reports that Kevin Federline was "demanding" yesterday that Brit bring Sean Preston and Jayden James back to California from Las Vegas, because she isn't allowed to take the kids away without written permission and she didn't have it.
Says a source, "I'm sure Kevin's lawyer, Mark Vincent Kaplan, is mulling over how to handle this. "Meanwhile, Brit's bodyguard may have roughed up a photog after he got too close -- and came into contact with Sean Preston at the Wynn, says Us.
