• EMILY BLUNT photo | Emily Blunt

Credit: Jeff Vespa/WireImage

Published: Thursday January 10, 2013 21:00 PM EST



We don't know what we're most obsessed with: the actress's classic red lip or her Downton Abbey-inspired do (not to mention her $39.95 JustFab clutch!) Her simple ivory Miu Miu gown with a beaded neckline and above-the-ankle hemline, however, has PEOPLE.com editors divided.