[@Prisk] Thank you very much! A real life face model, huh? I suppose this model has the most of Wren's facial features (her square jaw and prominent cheekbones, mainly), and her haircut is similar, as well: 

[url]http://www.short-haircut.com/wp-content/uploads/2013/05/Short-Hair-Color-for-Women-7.jpg[/url]

Just try to imagine her with a broken nose, haha. (: