I thought this dress was so beautiful when I saw it! I would wear a S to M! I would wear a S if I want a perfect fit and M if I want some room to move around. I got a M in this because I wanted the beach type look! This dress was soooo BIG!!!! Hanging off of me!!! I am Age:27 131lb 5 ft 1 in Size : 5 W: 27’ H:36’