Here's a sexy long sequin-tulle prom dress that is uniquely sophisticated. Found exclusively at PromGirl, this exciting long designer dress is fully lined with a sheer-tulle overlay that shines with a sequin design from the deep v-neckline to the hem of the sleek long skirt. So exciting for prom, fancy formals, and other black-tie events, this sexy long formal dress has thin shoulder straps that double before criss-crossing the open back and tying into an adjustable corset detail. If you're looking for exquisite gowns in misses and plus sizes, this sexy long sequin-tulle prom dress is a dazzling vision that maximizes your curves.