The C4D on the top left of her head leaves it distorted.
The light source should effect your render. You leave all of this orange light coming from the background, but no reflection of that light off of her skin.
Your render has a primary light source from the front, shone white. Your primary light source is in the back, shone orange. Either adjust your shadowing to move the light source to the back, or do not emphasize the background as much with the backlight.