How do I log in to my Gmail account? La Femme Strapless Long Sequin Prom Dress 29681. From La Femme, this strapless long sequin prom dress 29681 is the ultimate show stopper. Fully sequined from the straight neckline to the floor, this strapless long designer dress will undoubtedly be the star of the show for prom, galas, and other black tie events. The strappy open back offers a sexy vibe, while this long sequin formal dress has a faux wrap long skirt that opens in a side slit that embraces the sultry allure. Offered in misses and some plus sizes, this strapless long sequin prom dress is a tantalizing symphony of grace and sensuality for your memorable evening.