News of the World reports that Britney Spears, has already signed preliminary divorce papers after a long series of furious bust-ups with her husband Kevin Federline.
A source close to the singer, who is five-months pregnant said:
Britney has already started seeing lawyers about splitting with Kevin. 
She is serious about it and even though she’s pregnant she knows that she has to get things moving.
It’s a very stressful time for her at the moment what with expecting her second baby. 