i'm a pretty standard size small, 5'5", 111lbs, US2 or US4, but this fit way too tightly & i didn't want to look like a WWII hoochie-mama. also the girls, which are pretty standard 34B's were totally smushed; the dress was made in China, so maybe the boobie standard hasn't been properly adjusted to western mamms.
i would have enthusiastically given it 5 stars because it's a great dress and arrived IN LESS THAN 1 WK, but i was very disappointed that i have to return it for a size medium and pay postage for both the return and the replacement.