Hailee Steinfeld has much to celebrate today. In the course of the year, this birthday girl has proven herself a worthy candidate of countless award show accolades and earned her rightful place as one of fashion's darlings. After showcasing some serious acting chops in True Grit, becoming the newest face of Miu Miu, snagging the role of Juliet in an upcoming remake of Romeo and Juliet, and looking exceptionally gorgeous on the red carpet without fail, Hailee is officially a style magnet and true tastemaker (and she's only 15!). Whether she goes demure and chic at Chanel or bright with Prada stripes at the SAG Awards, we can't wait to see how this young lady continues to impress on the silver screen and on the red carpet. Click through for 40 of her best looks.