Here's a fabulous open-back long sequin formal dress 10705 that is as body contouring as it is dazzling. Fully sequined from the square neckline to the hem, this long sequin evening gown shimmers with every move at prom, galas, and other formal events. The beautiful long sequin dance dress has thin shoulder straps that lead to the open back, while the long skirt smooths over the hips before draping to a dramatic floor length. Undoubtedly the star of the show, this open-back long sequin…