La Femme Sheer-Back Off-Shoulder Long Prom DressHere's a beautiful long prom dress by La Femme that will have you celebrating your special evening in high style. The sleek long designer dress features an off the shoulder bodice with banded sleeves that drape over the upper arms for a romantic vibe. This gleaming long formal dress has a unique sheer corset back that provides a look of allure that the girl with an edge will love, while the long skirt smooths over the hips before ending at the floor.