Lady Gaga said there was something 'completely freeing' about playing Harley Quinn in 'Joker: Folie à Deux,' while talking about singing live on set.

When Lady Gaga wrapped her third movie - the upcoming Joker sequel, Folie à Deux - she realized she wasn't ready to move on from her character, Harleen "Lee" Quinzel, a.k.a. Harley Quinn. "I had such a deep relationship with Lee,

The pop superstar continued to channel her iconic character following the London premiere of her latest movie, 'Joker: Folie à Deux' After rocking the Joker: Folie à Deux red carpet in London, Lady Gaga continued to channel Harley Quinn as she stepped out in the English capital in a series of quirky outfits.