Every girl needs a favorite dress in her closet. PromGirl has a great selection of short dresses in many styles from casual party dresses to short dresses for semi formals or homecoming. Whether you're looking for a wedding guest dress or for your sweet sixteen party dresses we're here to help. Cheap prom dresses under $100 by Kitty and elegant designer prom dresses. We have dresses for graduation and junior cocktail dresses for prom in many colors including black, pink, red, blue, and white. Find your favorite dress at the best prices online at PromGirl.