Looking for an elegant plus size long evening gown or formal dress for prom or special occasion party? At Simply Dresses you'll find a fabulous selection of plus size long prom dresses and evening gowns in the latest styles and colors. We have the hottest looks from one shoulder formal gowns and halter top prom dresses to long strapless evening dresses and beaded prom gowns in plus sizes from top name designers and manufacturers. Make an elegant statement in a long formal dress for prom, formal dance or wedding. Shop Simply Dresses huge selection of plus size long dresses and you're sure to find the perfect look for your next formal special occasion.