The girl looks great. But I have the filling for something wrong. I assume you use real photo for the background. Looking at the tower. The light (sun) comes from the left and the shadows are on the righ. The color of the sky also confirm that - the sun is in the left and up. Now if you look at the girl the light and shadows on her body are opposite to those on the background. So there is different light source that iluminate her face and body - on the right maybe bihind the camera.
But overall it is great picture, the model has photorealistic quality.
You are very right here, I was put the light wrong there and realized after I left about 30 minutes to render the picture. I said no one would notice and look you just saw it. Congratulations for your comment and you just won a vote from me for this :)
This picture is before i render it and change the pose and hair on it.