Lady Gaga posted an announcement video on social media confirming she will, in fact, co-star in Joker: Folie à Deux alongside Joaquin Phoenix. Rumors suggest the film will be a musical and that she will portray Harley Quinn. https://t.co/qtNKG3oiv9 pic.twitter.com/NRkcIESJ6Y

— IGN (@IGN) August 4, 2022