Miley Cryus'
latest publicity stunt has us speechless.

The singer is one of the new faces and bodies (literally) for Marc Jacob's "Protect The Skin You're In" campaign which raises money for the New York University Skin Cancer Institute.

On Thursday, the "We Can't Stop Singer" tweeted a picture of the shirt which will be sold at Marc Jacob boutiques, with the proceeds benefiting skin cancer research.

"Ts are available at 9 Marc Jacobs boutiques including SanFran, LA, Chicago, New York, Boston & Savannah GA!," she posted along with the risque top.

If you've ever wondered what Miley looks like naked, well here ya go. The shirt features a completely nude Cyrus covering her lady bits with just her hands, and "Protect The Skin You're In" stamped across her chest.

The picture doesn't exactly scream "wear your sunscreen" to us -- but hey, it's a good way to bring awareness ... and another opportunity for the former Disney star to shed that good girl image she's been so desperately trying to separate herself from.

Your opinion is the one that counts -- what do you think of the 20-year-old's latest "charity" endeavor? Tell toofab in the comment section below, and click "Launch Gallery" above to see more of Miley's best TwitPics!

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