Lady Gaga already teased a preview of her Joker ... Photos from the set teased Gaga's Harley Quinn costume consisting of a bright red blazer, a checkered undershirt, and clown-inspired makeup.

Joaquin Phoenix scared Harvey Dent actor's parents from Joker sequel set: 'He made my mom jump' Lady Gaga's fiancé experienced life with Harley Quinn thanks to her Method Joker prep: He 'got to ...

Phoenix reprises his role in the sequel, which explores the twisted relationship between Joker and Harley as they meet ... the first official photos of Gaga and Phoenix in character on his ...