This is all about her expression and her mystery. She looks lost in thought, and Klaus finds her intriguing when she is so. He always wants to know what is on her mind. While he doesn't prefer the outfit as much, her loves the hair and he loves the makeup. Black and white pictures are some of his favorites, and he wouldn't be able to stop looking at her when she looked like this. He would struggle not to compel her to tell him what she is thinking.