I somehow overlooked this online and saw it in the store. i am a 10/12 or m/l. i tried on the medium and it was tight in the bust but fit great in the waist. i ended up ordering the large online. the large felt good but a tad big in the waist. it hit my true waist though and looked good. i then noticed the straps were agustable. i wonder if i tried the medium and loosened the straps if it would have worked. either way i love the dress, so pretty and flowy. i wasn't bothered by the fabric and did