I know I'm clearly judging but if she is maintaing her distance based solely on looks, it's really her loss because you have said that you both have been messaging each other since years. She lost a good friend and a potential good partner. People can be harsh when it comes to looks and only few oversee those and i feel given her age, she would be mature enough to not consider it. Again, it is just a single train of thought that she cut you off after seeing your pic.
Alternative is she might be texting some other guy too and hit if off more with him