Long Mermaid Sequin Prom Dress: La Femme 31431Here's a gorgeous long sequin mermaid prom dress 31431 that is sure to be the star of the show. From La Femme, this luxurious long designer dress features sparkly sequins from the surplice v neckline to the hem of the mermaid skirt for a dazzling look at prom, galas, and other black tie events. The long sequin formal dress has thin shoulder straps that lace up over the open back for the best fit, while the hip hugging long mermaid skirt opens in a