Runs a bit small. Size up. I’m 5’6” and usually wear a size small in fashion nova dresses. Based off the reviews I opted to purchase a large and it was the best decision. The dress fit around my hips and butt so good (I have plenty of both). I do have small breast. this dress will fit well around bigger breast if you size further up. It’s pretty long, I wore 4” heels and my feet were completely covered. However, I wish the arms were longer. If wearing bracelets and a watch, you may not notice.