I’m 5’7”, 136 lb, my measurements are 36, 26, 40. I usually wear a medium but I notice I tend to fit a small I’m FN’s clothes so I ordered a small. “Technically” it fit, but not anything close to the way it’s pictured. It was loose and baggy looking even though it felt like it fit fine. I would suggest sizing down 1 maybe even 2 sizes if possible if you wanna look anything like model. The sequined material it’s made of left little shiny flakes everywhere, as soon as it came out of the back I was finding them all over the place. It was pretty itchy as well, but wearing some shape wear underneath it could fix that. I’m normally very impressed with FN dresses but this was pretty rough.