I am always a zero. Always. Even in bridesmaid dresses when the people at the store try to pressure me to get a 2 instead. Always a zero. But in this dress, i was probably a 1, as in, the zero was un-zippable and the 2 was a little bigger than I would have liked, specifically in the bust. So it really does run small. The material was a little scratchy but nothing that rendered it unwearable. Oh, also, it looked very cute!