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Keira Knightley's Topless Photo Is A Protest Against Photoshop

11/07/2014 09:25 EST | Updated 11/07/2014 09:25 EST

When Keira Knightley agreed to pose topless for Interview magazine's September issue she had one caveat: the photos could not be Photoshopped.

"I’ve had my body manipulated so many different times for so many different reasons, whether it’s paparazzi photographers or for film posters," the British actress told The Times. "That [shoot] was one of the ones where I said: 'OK, I’m fine doing the topless shot so long as you don’t make them any bigger or retouch. Because it does feel important to say it really doesn’t matter what shape you are."

She added: "I think women’s bodies are a battleground and photography is partly to blame. Our society is so photographic now, it becomes more difficult to see all of those different varieties of shape."

"The Imitation Game" star has some experience with being Photoshopped. The 29-year-old's chest was famously airbrushed to look bigger in a poster for the 2004 film "King Arthur."

Keira spoke about the incident with Allure magazine saying: "They always pencil in my boobs. I was only angry when they were really, really droopy. For 'King Arthur,' for a poster, they gave me these strange droopy tits. A - I don't have tits anyway, and B - they digitally made them, and I thought, Whoaaaaa! It's my face on that poster. I thought 'Well, if you're going to make me fantasy breasts, at least make perky breasts.'"

At least she has a good sense of humour about it!

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