itzru...I got the sweater today. The xs fits me fine--I love it! I *could* wear the xxs and it would probably fit slimmer through the sides and back and be a little shorter (it covers the zipper of my pants), but it's fine in the xs without looking sloppy or like I'm drowning in it (like often happens when I need to size down). For reference I'm 5'5 and 100 lbs. and a 32A. Good luck!
itztru...I should have the sweater by Thurs or Fri this week and I will let you know! I normally size down in longer, slouchier sweaters and this did come in XXS, but I've been told this really isn't that long or slouchy (I think maybe the model sized up on the website) so I bought the XS b/c that's what was available (and I've been looking for a few weeks and I'm impatient). :) I"m *hoping* I like the fit! My mom bought her usual size M and it fits her great--not slouchy/long at all. I'll let you know!