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 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,