Here's a sparkly long red prom dress that is hot, hot, hot! Sold exclusively at PromGirl, this long designer dress is fully sequined from the deep v-neckline to the hem of the floor-length skirt. Sheer sides and a sexy vibe to this long red formal dress, while supportive shoulder straps lead to the open back to further the look. Smoothing over the hips, this long red gown includes a long skirt that flares away from the knees before reaching the floor to complete the design. Offered in misses and plus sizes, this long red sequin prom dress is pure elegance.