Undeniably gorgeous, this long sequin prom dress is an impressive choice for your big night. A new style, exclusively sold by PromGirl, this shimmering formal dress features a sequin pattern from the deep v-neck bodice to the hemline. For a sexy vibe, this flirty evening gown has thin shoulder straps that criss cross the open back and tie into a corset detail that adjusts for a comfortable fit. Smoothing over the waist and hips, this floor-length tight dance dress has a long skirt that opens in a side slit to complete the look. Whether attending prom, a fancy gala, or another formal event, this long sequin prom dress is sure to sizzle.