It's Time For Our Halloween Edition of . . . Costume or Couture?

The street style star: No, that's not someone in their finest sexy eskimo costume! That's the head of fashion partnerships at Instagram doing her best to stay warm in a Prabal Gurung coat, tights, and combat boots.

The costume: Her style goes across the map, so the key here is to channel her signature pose and flash an exuberant smile and a peace sign.