Britney Spears the number one girl in the public eye has fuelled speculation she is pregnant after a health check-up yesterday.

Singer Kerlan-Jobe Clinic, a source said.

But the centre specialises in sports injuries, not pregnant women.

The source said: “Despite daily workouts, she has put on a lot of weight in recent weeks.

“She isn’t saying if she is pregnant, but she is taking medication which has affected her weight.

“Living with her dad — a chef — means she has piled on pounds. She is extremely paranoid about her body at the moment.”

Britney is also believed to be struggling with her weight after she stopped taking Adderol, a stimulant prescribed for attention deficit disorder and used by women to keep hunger under control.

Addiction specialist Marty Brenner said: “Weight gain is a common side effect.

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She has gone on vacation with Mel Gibson whats that all about? Babies father (only joking).