You're so fancy. The Twilight is fitted in the bodice with a relaxed fitting skirt, so you get structure and comfort all in one. This dress features tie straps, a smocked back bodice to provide a little bit of stretch, and a side slit to give you some breathing room. NOTE: dress is labeled as a size 4, but fits more like a size 2 per the reformation website - Center back zipper - Lined bodice - Lined skirt - Side slit - Smocked back bodice - Strapless bra friendly - Tie straps