Like other reviewers have stated, this dress does run small on the chest. i'm 5.3", 32c, 120lbs and size 2 fits me great. however, if my chest size had been, like 34d and up, size 2 will not fit me although i'm petite frame. so, if you have a large chest, i would recommend going 1 or 2 sizes up. if you are like myself, small bust person, then you should try your regular size and one size down to see which one fits you better. i was going to try size zero, however as soon as i tried size 2, i rea