Natalie Portman Strips Down for New Dior Ad: 17 Celebrities Who Posed Nude in Print (PHOTOS)

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Black Swan star Natalie Portman, 31, has shown she is in great post- baby shape with the flawless actress striping down in her new Christian Dior ad for Rouge Dior Nude Lipcolour.

The actress gets up close and personal, gazing into the camera with her bare body.

But don’t get too excited as Portman manages to protect her modesty by some careful posing and a large couch.

Portman explains why she went nude to nude. More after the jump.

Portman confessed, “I chose the colour Grège because it’s the one I’d pick to wear myself.”

“The number (169) contains different dates that are important to me and my family.”

And this isn’t the first time Portman has gotten naked for Dior — in 2011 she went sans close for a Miss Dior Cherie perfume ad.

Many other celebs such as supermodel Kate Moss and newly-engaged Jennifer Aniston have posed nude in print as well.

Click through our gallery to see the stars who dare to be bare.