When critiquing this piece, it is difficult to know where to begin. The image itself is a work of beauty, having in it beautiful contrasts and a beautiful concept.
I do love that in the top right corner, you have a red light coming through; this helps to add to the darkened mood of the piece, as red is usually a colour signifying a warning. It's good that this effect is spread, from that point on, throughout the piece evenly.
The pose is interesting. It does not suggest that anything terrible happened; it could be a picture of a sleeping princess instead of a dead one. It is the darkness surrounding her that creates the dark, gloomy mood.
Overall, the piece is a fantastic work; it definitely showcases a dark mood and it draws a looker into the picture. I still believe that the pose of "the princess" takes away slightly from the effect you are trying to create. It is, though, a quite beautiful work.

What to say? Well, the image itself is lovely. The lighting of the sunset gives the entire image this soft muted sort of feel that brings to mind a calm tranquility. The colours and gentle warm hues do the same and draw the eye in. The model especially, so pale in her white dress draws the ey straight to her, and keeps the viewer entranced. Overall, the soft background colours of the field contrast very nicely with the model. Also, the angle and perspective the shot is at is atypical and refreshing. The only minor criticism i have is that the image is at what seems to be a low resolution, which is a camera problem, not a photographer one. So overall, I am delighted to be able to say that I find this photo both gorgeous and well composed.