Saltmarsh City Map : r dndmaps Beaded V Neck Long Black Tight Prom Dress L434. In this long black prom dress, get ready to turn heads at your next special occasion. Elevating the chic look with a little bit of shimmer, beading sparkles against the corset bodice of this tight v neck prom dress. A godet train, side slit, and trendy side sash all work together to turn the fitted floor length skirt into a dramatic work of art that adds graceful movement to your every step. Make a grand impression right from the start when you wear this sexy black prom dress to your formal event.