The purple prom dress is strapless, zips in the back, and only worn once. Size 4. $50 or best offer. The short blue prom dress is strapless, has a corset back, and only worn once. Size 1/2. $60 or best offer. The red dress can be strapless or have straps, has a corset back, and only worn once. It also comes with a shawl. Size 8. $50 or best offer.