Lady Gaga in talks to star opposite Joaquin Phoenix in ‘Joker’ musical sequel
social media. Even though Phillips shared a photo of Phoenix, 47, reading the script, he has not yet signed a deal for the sequel.Details of the plot are not yet known, but Deadline reports that the “Bad Romance” singer will play Harley Quinn, the Joker’s psychiatrist at Arkham Asylum who falls in love with him and becomes his sidekick. It’s believed that Gaga’s Harley Quinn will exist in a different DC universe from Margot Robbie’s in the “Suicide Squad” movies.The sequel is set to have many differences from the first film, including that it will be a musical, according to The Hollywood Reporter.“Joker,” released in 2019, had a record-breaking opening weekend and grossed more than $1 billion worldwide.