i got one in a medium size & one in a 2/3 x both were too small could have gone UP a size or two-- it wouldn't zip up in the back  of course we couldn't take them back -pictures were in a few days didn't have enough time  we-my daughter & i wanted to match so we were carefull how we posed they have wonderfull people in j.c. penny portrait studio they really work with you-the dresses were nice but you MUST go up 1-2 sizes .