Simple and chic, this long chiffon prom dress is exclusively sold at PromGirl. Featuring a band across the middle of the fitted corset bodice, this strapless long prom dress is minimalistic and flattering. The flowy floor-length skirt of this a-line prom dress parts in a slit up to the thigh for a dash of sultry flair. Twirl-worthy and charming, this PromGirl chiffon corset prom dress is perfect for formal dances.