ironically, I personally think the hair is the best bit, proportion wise you are slightly out, the mouth is smaller then the original image but it looks OK at its current size, the nose is too large as well as the "anime" eyes.. her forehead is shortened as well, her hands are well done... the focus is on the face and i feel everything else shouldn't be as sharp that's why i think her dress near her hands shouldn't be as refined as it draws the attention away from the focus. apart from the eyes and nose (and small dress problem) this is a really good photo study. keep it up!