Natalia Vodianova is very busy at the moment as Calvin Klein launches his first ever worldwide ad campaign for his underwear collection. You can watch Vodianova, the face of CK underwear writhe about in what looks like an arty version of a home porn vid. The video is in Natalia's Womb, I mean Room, which also features pictures of Klein's Perfectly Fit range and a short bio of Vodianova's life. During New York Fashion Week earlier this year at ...