Hair and style

(Source: Getty Images) It's easy to pull your hair back in a ponytail and call it a day. It's even easier to fool yourself into thinking said pony is that ideal look of cool-girl messy—when really it's just messy. So that's why we were particularly impressed when actress Annabelle Wallis managed to accomplish the dream ponytail: a little bit messy but totally refined at the same time. You know ...