Idea is good, but execution a bit poor. Once, I am not sure if you did have to cover one side with shadow all together. She seems like beautiful; I would love to see other part of her face. Second, not focused enough. I think it also might be the movement on the camera or herself. Should do fine though :D
Needs better focus - you lead the viewer's eye to the model but then when you get there the eye and face is out of focus, which lets this photograph down imho.