Sexy, sleek, and spectacular, this open-back tight long sequin prom dress 89007 by Amarra is ready to wow the crowd. With rows and rows of dazzling sequins from the plunging v-neckline to the hem, this long evening gown has thin shoulder straps that lead to the wide open back. Triangle-shaped cut outs at the sides of this long sequin formal dress create a sexy vibe, while the hip-skimming long skirt opens in a thigh-high side slit to add to the alluring look. A small train completes the look of this open-back tight long sequin prom dress that is waiting to catch the spotlight at prom, galas, and other formal events.