Demi Lovato who has made no secret of her struggle with eating disorders in the past, has gone completely n*de and make-up free for Vanity Fair photoshoot to prove it is possible to overcome body image battles and learn to "love the skin you're in". In a video posted by the magazine the 23-year-old, who recently also posed topless for Complex magazine , opens up about how uncomfortable she used to be about her body. "The reason why I decided to do this photo shoot is because when I think of confident I think of many things, but one thing in particular is feeling comfortable in your own skin," the make-up free star says to camera. "I thought there was something incredible of the idea of no make-up whatsoever and no clothes and no retouching. I would have never thought that I would have ever got to a place in my life where I would have felt comfortable doing that." "It's empowering and it shows other women that you can...