Sequin-Floral Long Prom Dress: Morgan 19199Check out this gorgeous open back long prom dress by Morgan & Co. The beautiful junior size long formal dress is a nude colored frock with vibrant fuchsia sequin flowers from the v neckline to the hem, The long sequin special occasion dress has thin shoulder straps that lace up over the open back for the best fit at prom, galas, and other black tie events. Bright, bold, and beautiful, this open back long prom dress is surprisingly affordable at under