Lace-Up Long Sequin Prom Dress: Chicas C316Sleek and saucy, this floor length prom dress C316 shimmers with every move you make. Fully sequined from the v neckline to the hem, this long formal dress is a head to toe stunner for prom, galas, and other black tie events. In misses and some plus sizes, this long sequin evening gown has thin shoulder straps that create a statement while criss crossing the open back, while the long skirt opens in a side slit before pooling into a small train.