Lady Gaga, Christina Aguilera, Kate Winslet: 15 Stars Who Were Told to Lose Weight (PHOTOS)

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Lady Gaga addresses her body image.
A-listers like Lady Gaga may be happy with their bodies, but some people in Hollywood weren’t too thrilled with their curves.

In September, Fashion Police star Kelly Osbourne said she thought Gaga, 26, was with child when she flaunted a fuller figure during a European concert. “I think she is pregnant because she has been covering up this part of her body recently, and I have been noticing that a lot,”  Osbourne told British talk show host Alan Carr in an interview. “And her style has changed, and you can’t bleach your hair blonde when you are pregnant.”

Gaga — who is actually not expecting — quickly responded to her naysayers with a “body revolution,” refusing to drop the pounds.

Apart from writing about her weight struggles on her personal social networking site, Little Monsters, Gaga also went on the air to open about about her 25-pound weight gain.

“I really don’t feel bad about it, not even for a second,” she told Sirius Radio’s Elvis Duran show. “I have to be on such a strict diet constantly. It’s hard because it’s a quite vigorous show, so I tend to bulk up, get muscular, and I really don’t like that.”

“I’m a New York Italian girl. That’s why I have been staying out of New York,” she added. “My father [Joe Germanotta] opened a restaurant. It’s so amazing … it’s so freaking delicious, but I’m telling you I gain five pounds every time I go in there. So my dad wants me to eat at the restaurant, and I’m, like, I’ve got to go where I can drink green juice.”

Now — amidst reports that her record company has demanded she slim down — the “Born This Way” singer is on a diet to get rid of the excess weight. “I’m trying to find a new balance,” she said.

Likewise, other big-names like Christina Aguilera and Kate Winslet have also face weight woes — and been told to slim down by detractors.

Launch the gallery to see their body evolutions.

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