Size S (Fits sizes 4-8 based on Birdy Grey size chart) Worn once, NOT altered! Love the bow and the adjustable straps. I ended up not needing to wear a bra (I'm a 32DD) because the top was so supportive. Website description: A simple, body-skimming dress with a pretty bow detail in the back. Straight tank neckline Adjustable cutout tie back Built-in bra cups for extra support Fully-lined, floor length skirt with front slit Skinny adjustable straps Invisible back zipper Stretch textured knit crepe fabric Unlike other dresses in our collection, she does not come with pockets 95% Polyester, 5% Spandex; Lining: 100% Polyester. Dry clean only