Lady Gaga is in early talks to star in the sequel, which is set to be a musical.
Lady Gaga is in early talks to star in the 'Joker' sequel, which is set to be a musical.
The 'House of Gucci' actress is said to be in discussions about taking on the role of Harley Quinn.
Joaquin Phoenix played the title character in 2019's 'Joker', but sources have told The Hollywood Reporter that Warner Bros. are yet to close a deal for him to star in the sequel.