Whether it’s you and your best friend, sibling, or spouse, here are some duo Halloween ideas. Harley Quinn and Joker Harley outfit includes the jacket with built-in shirt and shorts Harley Puddin Necklace The rest of my outfit was from Walgreens: tights, red and blue hair spray, red lipstick, Halloween Palete including blue and red “eye shadow”. Joker wig (spray…