Robbie Williams is apparently courting the attention of Mr. Motivator to help him improve his fitness.

According to the Daily Star, the singer is "desperate" to sign up the former GMTV fitness trainer - to prevent him from becoming "Blobbie Williams".

"Robbie wants 2007 to be the year he becomes super fit," a source told the newspaper. "He's given up booze and drugs and is stubbing out the ciggies as well. But he's worried snack attacks will see him piling on the pounds."

The source added: "And who better to whip him into shape than Mr Motivator?"