Best Prom Poses: A Complete Guide for Perfect Prom Night Photos The Dress Outlet Young girl in a white dress in the meadow. woman in a beautiful long dress posing in the garden Premium Photo HOW TO POSE IN A MAXI DRESS Most people dont realize this, but different outfits look best in different poses. Here are a few things to take into consideration while posing in a long dress:, THE Posing in long dresses is all about creating curves in your body. Most long dresses can make you automatically look like a rectangle so doing poses like these make your body into an S shape