Mischa Barton graces the cover of Cosmopolitan UK magazine’s May 2009 issue. The gorgeous blonde is featured with only her hair covering her naked body, with the headline Your Body Rocks.

The actress has faced body image issues in the past, with detractors mocking her for having cellulite. Barton claims the photos in question were doctored, and the cellulite photoshopped in.

Mischa has actually dropped several sizes since her breakup with Rooney guitarist Taylor Locke last year. She reports that she has gone from a size 12 to a size 6 or 8, and is totally happy with her body.

Barton isn’t the only celebrity to bare all for a magazine cover. Check out Jennifer Aniston on GQ here, and Gisele Bundchen recently got into the act as well with her hot Vanity Fair cover.

Check out another photo below.

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