Joker: Folie à Deux Is Officially a Lady Gaga Movie

Lady Gaga confirms her role as Harley Quinn in Joker musical sequel alongside Joaquin Phoenix

'Joker: Folie à Deux': Lady Gaga to Play Harley Quinn Opposite Joaquin Phoenix in Musical Sequel

Lady Gaga Confirms ‘Joker 2’ Role Opposite Joaquin Phoenix in New Musical Teaser