As often with this type of thing it would be interesting to know what you were trying to achieve with the processing. As has been said, the portrait is beautifully lit and, well, beautiful. I'm not sure what the light and dark shapes on her face and around are meant to be or signify so it's difficult to give an opinion without knowing.
At the moment it looks like someone trying out ps. If thats the case then cool, it's always good to learn but the lovely image below is kinda spoiled by the intrusive 'mess'. If it has a deeper meaning then that might be cool too but atm its a bit odd....
Hope that makes some sense.