I purchased my regular size, Medium, and it fit great! For reference, I'm 5'4, 150 lbs, 34C-D. It shrunk a bit in the wash and was tighter across the chest, but it still fit just fine.The dress is advertised as a "mini" dress and hits above the knee on the models. I have a long torso but this fit like a midi dress on me and it hit just below my knee cap. It worked great for my son's baptism and Great Gma's funeral. I received many compliments both times I've worn it!See full review