Twerkaholic Miley Cyrus is at it again, but this time instead of making her @$$ clap– she’s posing butt-naked for a Marc Jacobs photo shoot! The purpose of the ‘Protect Your Skin’ campaign that Miley posed for is to “raise awareness for melanoma research.” Before you all get TOO excited, she is covering her lady parts with her hands, but it’s the thought that counts. Hit the gallery to check out the ALMOST XXX-rated flicks of Ms. Cyrus.