 This month, Sothebys is auctioning a dress formerly worn by Princess Diana. Christina Prescott-Walker, the global director of regional art and objects at Sothebys, said: Among her many lasting influences, Princess Diana was revered for her effortless sense of style, which is perhaps best captured by this sleek and sophisticated ball gown designed by world-renowned Victor ... Princess Dianas sophisticated strapless gown could fetch... 