When Lady Gaga was first confirmed to play Harley Quinn in Joker 2, it was natural to have a lot of questions when its first teaser showed artwork of the Grammy winner and Joaquin Phoenix dancing to Frank Sinatra’s “Cheek to Cheek.

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.