by POPSUGAR Fashion 18

Celebrities like Hilary Swank and Winona Ryder don't often get naked on screen, but they will get naked for Marc Jacobs. In order to raise awareness about skin cancer, a bunch of sexy stars—including Naomi Campbell, Christy Turlington, Selma Blair, Dita Von Teese, Rufus Wainwright, and Julianne Moore—took it all off for an ad campaign and a series of Marc Jacobs t-shirts, the proceeds from which will go to NYU's Melanoma Cooperative.

The t-shirts, along with the huge banners adorning Marc Jacobs store windows, show the celebs in the buff with just the important parts covered, alongside cheeky slogans like "Protect Your Largest Organ" and "Save Your Ass." The $20 tees will be available at Marc Jacobs stores for a limited time. For more photos of Winona, Selma, and the storefronts, read more

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