A head-to-toe-stunner, this gorgeous long a-line prom ball gown is sure to transform you to the heroine of your own story. Seemingly lifted from a romantic fairy tale, this open-back long a-line formal dress has delicate embroidered-lace floral designs from the plunging v-neckline to the skirt, while a sheer waist wraps around to the strappy open back for just a hint of sexy style. From La Femme, this gorgeous long designer dress has a fully-lined long a-line skirt with a sheer embroidered overlay that opens in a side slit before ending at the horsehair hemline. Richly designed to wow the crowd at prom, galas, and other formal events, this amazing long a-line prom dress allows you to step into a world of elegance and romance.