Backless Straps Column Draped Prom Dress. Straps neckline prom dress with a cocktail length skirt. The beading, rhinestone, draped accents lend a stylish and stunning sense to the traditional column silhouette. Chiffon material provides a very comfortable feeling. Backless design gives total security and reveals the best part of your back. So buy this Dress and Get 15% OFF, Now Only $79.48 for Backless Straps Column Draped Prom Dress/Party Dress/ Cocktail dress@FancyLadies.