Harley Quinn Halloween costumes are more popular than ever, you're looking to wear a DIY Harley Quinn costume this year, then we have plenty of ideas for you.

Plastic Man finds a new role in the DC Universe as Harley Quinn’s fart-repelling costume. Harley Quinn can’t stop herself from farting in Harley Quinn Fartacular: Silent Butt Deadly #1.

Set photos from "Joker: Folie à Deux" unveil Lady Gaga's make-up and costume for the role of Harley Quinn.

Nightwing, Batgirl, and Robin are joined by Harley Quinn, who is wearing her homemade Batgirl-esque costume, featuring a shower curtain and Catwoman’s catsuit. “My suit is a work in progress ...

Joker and Harley Quinn costumes are easily found online, but here we tell you where to get the best and most affordable ones, along with must-have accessories and make-up.

Harley Quinn Halloween costumes are more popular than ever, you're looking to wear a DIY Harley Quinn costume this year, then we have plenty of ideas for you. HOME. MAIL. NEWS. FINANCE.