WB, you're certainly entitled to express your opinon, but in doing so you willingly accept that some may disagree with it and say so too. The less care you take to bear in mind that your opinion might offend others who disagree (or even the woman in question herself) the more 'enthusiastic' the responses to your post are likely to be.
I'm not saying you shouldn't say so if you don't like the way a model looks (assuming you feel some need to share that view in the first place). I'm simply saying that you can express that opinion diplomatically... with just a modicum of effort. In so doing, you take a 'let's agree to disagree' stance which is usually appreciated by others, and you run less of a risk of offending folks needlessly. That particular model doesn't visit this forum to the best of my knowledge, but many do and you can't possibly know that for every one you comment on, so please bear in mind that in addition to everyone else, it's possible that the PERSON you're criticizing might actually read your comments.
I.e.: personally, I think your comments were offensive, inaccurate and unnecessary (imo), yet I'm not insulting you in the process of expressing my opinion, see? It's not hard if you try.