As if she wasn't already overexposed enough, Gwyneth Paltrow is appearing half-naked as Miss August in a special Vanity Fair on Jewelry calendar.

Not that she's ever been chubby, but Paltrow took to her site to explain the arduous process of going from willowy to more willowy to promote her appearance in 'Iron Man 2,' detailing a diet consisting mainly of lean proteins and vigorous workouts.

In a Vogue interview last month, she talked about her lithe figure, as well: "Oh, I had to work hard to get it like this, but now that I'm here it's so great because I don't have to think about it. I can just enjoy life. What a relief that is. [...] I can eat what I want as long as I exercise, which is just as well, because if I put the word 'diet' into my brain, I immediately gain a stone."

A "stone," by the way, is 14 pounds. Seems all the time she's been spending in London with her British husband, Coldplay lead singer Chris Martin, is rubbing off on her.

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