Fits great, very sexy. Can dress up or down.
I'm 5'5", 124lbs, 32DDD, bought a size XS PETITE and it fits perfectly except for the arm length, which is about 1"-2" too short, but doable as long as I make a conscious effort to pull the sleeves down at the wrist.
I chose petite because I'm right on the cusp height-wise for the petite vs regular and I wanted to make sure the jumpsuit wasn't baggy on me. I figured it's better to go with the option that puts me filling it out and making it kind of...