Here's a strapless sweetheart long prom dress that is as romantic as can be. With a sheer corset-style bodice that wraps around to the back, this strapless evening gown offers a peek-a-boo look for prom, fancy galas, and other formal events. In misses and plus sizes, this beautiful long formal dress has a hip-skimming long skirt that flows into a small train that offers a look of drama. At under $200, this upscale strapless sweetheart long prom dress is sure to be a popular style for your big formal.