Get an A+ for style with our women's plus size dresses. From essentials like cold shoulder and maxi dresses to party and evening dresses to get you dressed for the occasion, you can never have too many, right? Style up a shirt dress with boots to take you from desk to dancefloor or keep things cute in a polka dot wrap dress. Wherever you're headed, all eyes will be on you. Explore River Island's collection of women's plus size dresses to find the perfect addition to your wardrobe.