Sweetheart Column Silhouette Floor Length Chiffon Graduation Dress. Sheath graduation dress with a sweetheart neckline. The chiffon fabric is delicately gathered in all the right places to be figure-flattering. The unique geometric back flows down to a floor-length skirt that creates a stunning figure. Use coupon code: pd0210 during checkout. To Save 13% OFF on Sweetheart Column Silhouette Floor Length Chiffon Prom Dress@FancyLadies.