Joker: Folie à Deux' actor Harry Lawtey told 'Variety' that he and Joaquin Phoenix pranked Lawtey's mother by having Phoenix appear on their FaceTime call while wearing his full Joker makeup. "I said,

Joaquin Phoenix's laugh as Arthur Fleck apparently took a toll on the actor during 'Joker: Folie à Deux' production.

So, according to the Joker 2 team, their film isn't a musical, but is instead a film where the main characters break into song to describe their feelings when spoken dialogue isn't enough. And also, the characters sing like they would exist in the world of the movie, not on a Broadway stage.

Folie à Deux does have quite a few scenes featuring music, Lady Gaga, who plays Harley Quinn, doesn't think of it as a musical at all.

Joaquin Phoenix’s Joker will make his big screen return alongside Lady Gaga. Not long after Joker director Todd Phillips confirmed he would be writing and directing a sequel, Gaga confirmed her casting by sharing a video of her and Phoenix’s silhouettes dancing via Instagram.

Folie à Deux trailer is out, previewing the upcoming sequel to 2019’s hit film starring Joaquin Phoenix. What happens in the Joker: Folie à Deux trailer? The new trailer highlights more of the relationship between Arthur Fleck (Phoenix) and Harley Quinn (Lady Gaga),

Joaquin Phoenix, the Oscar-winning actor known for his intense and immersive performances, recently demonstrated his playful side while filming the upcoming Joker: Folie à Deux. Now, you might be wondering how he did this while working on such a serious film.

Folie à Deux, recalled the time he and Joaquin Phoenix played a trick on Lawtey’s mom on the movie set. Phoenix stayed in full Joker makeup on set, even when not filming, so Lawtey said the actor played a trick on his unsuspecting mom.