Demi Lovato is taking it all off. The ?Cool for the Summer? singer, who once denounced pop stars who take their clothes off to sell albums, is stripping down in her latest spread with Vanity Fair. Working with famed photographer Patrick Ecclesine, Lovato gets naked and makeup-free in the revealing shoot. She wanted the shoot to be totally raw,Super-sexy, but no makeup, no fancy lighting, no retouching, and no clothing. The results: a NSFW photo spread featuring Lovato completely nude. According to the publication, the photos have not been edited on Photoshop.