Here's a beautiful long prom dress that is as glamorous as it is figure flattering. In gleaming satin, this gorgeous long La Femme designer dress is perfect for prom, military balls, and other black-tie formal events. With a strappy open back, this stand-out evening gown includes a v-neck bodice with ruched criss-crossing bands that contour the waist. The fabulous long formal dress includes a long skirt that opens in a side slit before flowing softly to the floor in a stylish a-line shape. Be selfie-ready in this striking long satin prom dress from the designers at La Femme.