Pleated Satin Dress

NWT - just arrived, bought the wrong size. Gorgeous fabric, beautifully made. I am a 34D and was hoping the medium would fit but there is no stretch. Fa La La Pleated Dress in Hunter Green Size + Fit Small 0-4, Medium 4-8, Large 8-12, 1X 12-16, 2X 16-20, 3X 20-24 Jacquelyn is 5'4", a size 3 and is wearing a Small Runs true to size. Measurements taken while laying flat and then doubled. They do no account for stretch