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Take a look at our specially-curated list of the 7 best Harley Quinn costumes and accessories to channel your inner Harley for your next cosplay.

Lady Gaga's performance as Harley "Lee" Quinn in Joker: Folie a Deux, rises above the movie's many flaws.

Simply, "Joker: Folie à Deux" has a flagrant Harley Quinn problem and not even Gaga's performance can mend it.

'Joker: Folie a Deux' costume designer Arianne Phillips talks how Lady Gaga's backstory idea for Harley Quinn helped craft character's wardrobe.

Stefani was great about wanting to infuse aspects of Harley Quinn, the character, so I leaned into the diamond pattern. There are a lot of diamond patterns in her costumes.

Joker: Folie Deux introduces Lady Gaga as Harley Quinn, giving her an intriguing backstory and somewhat unclear motives throughout the story.