Here's a long sequin prom dress that is as sleek as it is sparkly. Fully sequined from the v-neckline to the hem, this long sequin dance dress has sheer sides and a deep v-back for a sexy vibe at prom, galas, and other black-tie events. In misses and plus sizes, this long sequin formal dress has a curve-hugging long skirt that flows into a train for a dramatic finish. Celebrate your special evening in this long sequin prom dress, under $200, that allows you to look like a million bucks without breaking the bank.