I might be wrong, but I think she might be Shelly.
http://www.bigtithound.com/pt=scrg4403/FreeTeens/Gallery003ttt/
Her hair is tied back in this post, but her facial features look similar to your attachment...
And these links...
http://18eighteenz.com/set12tr_shelly/clean.html
http://www.teenysteam.com/sheliy/on.html