Popsugar Fashion Halloween Celebrity Halloween Costumes 2014 Easy, Last-Minute Halloween Costumes Inspired By Our Favorite Celebs October 31, 2014 by Samantha Sutton View On One Page Photo 14 of 20 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 14 Ashley Madekwe as the Joker in a Nurse's Uniform What you'll need: A green wig, smeared lipstick, a white dress, and a green belt. DIY some sort of badge to make it clear you're a nurse. Previous Next Start Slideshow HalloweenCelebrity InstagramsHalloween CostumesPop Culture Halloween CostumesEasy CostumesHalloween Costumes For Women