For a sublime entrance, this one-shoulder gown is a must-have with its elegant details from front to back and shoulder to train. Topped by a statement bow at the shoulder, this slinky style follows up with a dramatic dipped back detailed with a sashlike strap, ruching at the top of the thigh-high slit and a floor-puddling hem. Style Name:Katie May One-Shoulder Gown. Style Number: 5711912. Available in stores.