The official premise for the film reads: “Two years after the events of Joker (2019), Arthur Fleck, now a patient at Arkham State Hospital, falls in love with fellow inmate Harleen Quinzel (a.k.a. Harley Quinn).”

As the Oscar winner prepares to debut her Harley Quinn in 'Joker: Folie á Deux', Lady Gaga recently announced the companion album 'Harlequin'.

Harlequin” is a companion album for the film, in which Gaga stars as Lee, also better known as the unhinged villain Harley Quinn.

For those unfamiliar with the project the film picks up following the events of Joker and sees Arthur Fleck (Joaquin Phoenix) now institutionalized at Arkham awaiting trial for his various crimes. It's during this time that he meets the love of his life, Harley Quinn (Gaga), and with her, the music that's inside of him.

The most daring is on ‘The Joker.’ Michael [Polansky, Gaga’s fiancé] and I wanted to show the defiance of Lee proclaiming that she is the real criminal in all of this,” Gaga told Entertainment Weekly,

Stefani Germanotta, better known as Lady Gaga, has been known for her musical prowess since the late 2000s. However, she is fast becoming just as acclaimed for her acting. Her next on-screen turn casts her opposite Joaquin Phoenix in Joker: Folie a Deux,

Lady Gaga finally unveiled the cover art for her latest LP, Harlequin, which she described as a "companion album" to the soundtrack for her upcoming Todd Phillips psychological musical thriller Joker: Folie à Deux.