Check out this simple long prom dress that is a PromGirl Exclusive. As affordable as it is stylish, this simple long prom dress is priced under $200 and is perfect for prom, galas, and other formal events. The elegant long formal dress has a ruched bodice with thin shoulder straps that lead to the lace-up open back, while the long skirt has matching ruching to camouflage the tummy. A cascading side ruffle adds a polished look that makes this simple long prom dress a classy blend of modern elegance and timeless charm for your big event.