La Femme Two-Piece Off-Shoulder Prom Dress 25578Flirty yet elegant, this two piece long prom dress 25578 is a stand out style for your big event. Well priced for the smart fashionista, this off the shoulder long formal dress has an off the shoulder crop top with a fold over neckline and banded sleeves that flow over the upper arms to the back. From La Femme, this long designer dress also has a matching long mermaid skirt that allows the midriff to show through for a sexy vibe at prom, galas, and