I really love this dress. the material has a lovely feel to the skin, silky. i typically wear a large (occasionally a medium). if i wanted this dress to look like the model it would be the large. i ended up going with a medium because i wanted to accentuate the smallest part of me (rib cage area). this made the black portion a tad snug around the bum, but it eased a bit with wear (but still tighter than model picture)
size down if you want it snug, normal size for a looser, boxier fit. either w