When it comes to sexy Prom dresses, construction and quality are key! Another sexy look is a v-neck or plunging neckline on your prom dress. Short prom dresses and high-low party dresses tend to look more youthful and fun. Try reducing the number of options or start over. This site uses Akismet to reduce spam. For an elegant, sophisticated style, make a statement at your prom in a lovely lace dress with a classic sweetheart neckline.