If you're going to title it natural, lose the clothes completely. It feels anything but natural to have it look like she is holding open her shirt. Otherwise, the composition and lighting are good.
Good idea! let's remove our clothes and make some wicked shots! yeehaaa!!
Not sure if it is the sensuos visage of the model which appears or the great lighting or tones of this image, but it really is overall a very striking image and one that I have looked at each pass. Excellent.
If you're going to title it natural, lose the clothes completely. It feels anything but natural to have it look like she is holding open her shirt. Otherwise, the composition and lighting are good.