This famous gown by Jacqueline Durran was voted as the “Best Movie Costume” by British In Style, and has certainly made people green with envy for it!  With its beautiful silk and seductive lines, it’s no wonder James McAvoy decided to consummate their secret passion in this outfit!  Fun Fact: This Fancy Friday selection was actually inspiration for one of our editors’ Maid-of-Honor gown at her sister’s wedding!