Jennifer Aniston insists she wouldn't win movie roles if she ate burgers. The "Marley and Me" actress claims watching her weight is part of her job, adding she knows she is often offered parts because of her slender frame.

She said: "I'm a realist. I know that if I eat nothing but burgers and chips, I'm not going to be hired for the parts I normally would. That might be fine one day, but not right now."

John Mayer thinks Britney Spears is "strange". The "Your Body is a Wonderland" singer - who has been dating actress Jennifer Aniston for the past year - would never perform a duet with Britney because he doesn't understand her songs.

He said: "I was just talking the other day about how strange the Britney Spears songwriting approach is. Because it's all about, 'I'm going out tonight, but nobody look at me.'"

Jennifer Aniston is taking John Mayer to the Oscars. The 31-year-old musician is excited about accompanying his girlfriend to the glittering event on Sunday, in a rare public appearance together.

John said: "It's my first Oscars. And it's my first being an Oscar boyfriend."

Jennifer Aniston was taken on a surprise Valentine's Day vacation by John Mayer. The couple jetted off to the Bahamas on Thursday night after the "Gravity" singer decided to organize an extra-special gift to mark his girlfriend's 40th birthday last week.

A source revealed to x17 Online: "John decided to surprise her on her birthday, by telling Jennifer he had organized a romantic getaway for the two of them for Valentine's Day. Jennifer usually goes to Cabo or to Hawaii so the Bahamas was something new for her."

Sheryl Crow "danced all night" at Jennifer Aniston's birthday party. The actress threw an early celebration at her home on Saturday ahead of turning 40 yesterday and her friends say they had a memorable night.

Singer Sheryl said: "It was a lot of fun. I danced all night with Courteney Cox. I can't remember the last time I did that. So that was a sign of a good party!"