For a classic look, slip into this long a-line prom dress that is sold exclusively at PromGirl. With shimmering lace-applique from the sheer corset-style bodice to the knees, this long a-line prom gown is sure to leave a lasting impression. The long lace formal dress has thin bands that lace up over the open back and a fully-lined long skirt with a sheer lace overlay that flows to the floor in an a-line shape. Elevate your evening look at prom, galas, and other formal events in this long a-line prom dress that delivers a traditional look with up-to-the-minute details.