Baby rumours abound for Spears

Pictures showing Britney Spears with an apparently increasing waistline continue to fuel speculation the US pop singer is pregnant.

Though Spears has denied the rumours, a New York Post columnist has claimed sources insist "blooming Britney and hubby Kevin Federline are very definitely expecting".

And, under the headline "Baby on Board", US Weekly said she had been spotted gobbling a beef sandwich, but avoiding coffee and cigarettes.