Oh, sublime! She is perfectly framed by the background, in my opinion, and I like how everything draws one's eyes to her face. The left shoulder looks a bit odd, but I am pretty certain that's only one of the drawbacks of this being an oil painting, transferred via photo or scanner to screen... So many details just disappear, I find. Gorgeous, nevertheless, gorgeous! If you don't mind my asking, what brushes did you use?
They do tend to become worn out quickly. Do you use flat brushes, round, or perhaps... uh, Filibuster or however they are named in English? Your work always looks so smooth, I wonder if you use only round brushes, or perhaps tiny tiny square ones.