Don't really like this one but due to overwhelming demand I'll add her. I personally think she has small tired eyes that they make bigger with make-up.
There are some women who just look like living porcelain dolls. These are the ones I've noticed. Mostly you need Big wide eyes and full lips. A vacant stare doesn't hurt either.
and I wouldn't have put Leighton Meester in there. I also agree with lovefashion's ideas.