Britney Spears signs divorce papers

Britney Spears has signed preliminary divorce papers from her husband Kevin Federline, according to British reports.

The pregnant star allegedly signed the documents after consulting lawyers about splitting from husband Kevin Federline.

A source told Britain's News of the World newspaper: "It's a stressful time. Britney has already started seeing lawyers about splitting with Kevin.

"She is serious about it. She knows she has to get things moving."

Britney has been at the centre of months of speculation her marriage is on the rocks.

Last week, it was revealed the singer hit out at Federline on her website - by posting a picture of herself posing with a rude hand gesture.

Britney, who has a baby son, Sean Preston, with Federline, put the photo under a poem - entitled 'Remembrance Of Who I Am' - which was allegedly aimed at her 28-year-old spouse.

The verse, believed to be written by the singer, describes feeling tied down in "chains" and asks: "How do you stand sleeping at night?"

It continues with lines about feeling "manipulated" and "swallowed", and talks about "the sins of the Father".