Alluring by design, this long high-neck open-back prom dress features a sleeveless embroidered lace bodice with sparkling rhinestone accents. The illusion high neckline on this floor-length formal evening dress covers a sweetheart bodice, while side and back cut outs add to the sultry appeal. The light and airy a-line chiffon skirt begins at the natural waistline of this long open-back dress and gracefully cascades to the floor. Reasonably priced under $200, this long high-neck open-back prom dress is a surefire way to heat up your look for prom or any other formal event.