Open-Back Long Bodycon Prom Dress: Astee T905As slinky as it is sexy, this tight long v neck prom dress by Astee adds a dose of sass and class to your big formal. Curve hugging from the deep v neckline to the hem, this gorgeous long evening gown has thin spaghetti straps that skim the shoulders before framing the open back. The backless long formal dress has a hip hugging long skirt with a back knot and a small train that brings the drama for prom, galas, and other black tie events. At under