On the concept art she looks exactly as on the final result in the movie, but I find this picture really great :). Wallpaper and background photos of Concept art of Meg for fans of Disney Leading Ladies images.
There's something going around that Ariel was the only Princess to never wear hair accessories. That's wrong, as evidenced here, and that she had to keep her hair back while on the surface. Pocahontas, in the other hand, never wore hair accessories.