I read all reviews so I ordered my usual large the stretch part is on point however I am not "blessed" on backside and it had half my cheeks out! I figure if i go up 1 size from a large to xlarge it will give some and maybe a bit to cover the cheeks. It is such a gorgeous dress with the beige band across chest area and across lower hips. No zippers or buttons anywhere just pull over head style. 4 ref i am 5'4 and 180 pds 36 D. I will order the Xlarge and hope it goes the way i plan in my head. :0)