Can’t Wait To Catch This Bird Of Prey Harley Quinn has become the super cool, sexy villainess that every woman want to dress as on Halloween costume parties, and cosplay events. We see her embrace a few different looks in the movie Birds of Prey. This is what you see showing up and showing out in this officially licensed Harley Quinn costume. It shreds the idea of not crossing a police line, while still looking super sexy. A Harley Quinn Costume For Ladies Of Different Sizes This Harley Quinn costume looks just like her costume in certain scenes from the movie Birds of Prey. It’s officially licensed and is available in a wide range of women’s sizes extra-small, small and medium.