Lady Gaga Teases Her 'Fun' Harley Quinn Role in Joker 2: 'I've Never Done Anything Like' This

Lady Gaga is teasing what fans can expect from Joker: Folie à Deux.

The singer-actress, 38, spoke with Access Hollywood on the red carpet of her Gaga Chromatica Ball screening and dance party on May 23, teasing her work with Joaquin Phoenix on the upcoming sequel.

"My version of Harley is mine and it's very authentic to this movie and these characters, and I don't want to give anything from the movie away," she said. "I think it's really something you have to experience in the theater."

"This film has music, it has dance, it has amazing acting in it," she added. "I loved working with Joaquin, I loved working with [director] Todd [Phillips]. What I will say is that I've never done anything like I've done in this movie before, so it's all going to be completely brand new and really fun." 

Folie à Deux, a sequel to Phoenix's 2019 film Joker with director Phillips, 53, marks the first time Harley Quinn will be portrayed in live action after Margot Robbie portrayed a different version of the character in 2016's Suicide Squad, 2021's The Suicide Squad and the 2020 film Birds of Prey. Harley Quinn was first created for the acclaimed 1992 cartoon Batman: The Animated Series.

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Gaga first confirmed her casting in the upcoming movie in August 2022 and could be seen filming her part for the movie in New York City throughout 2023. Phillips confirmed filming had finished on Instagram in April 2023, and the highly anticipated film finally revealed its first trailer at CinemaCon on April 9.

That trailer teases fantastical musical sequences and the initial meeting between Gaga's character and Phoenix's Arthur Fleck, a.k.a. the Joker. When Gaga shared the movie's poster for the first time April 2, she wrote alongside it, "The world is a stage."

The upcoming movie marks Gaga's film appearance since her role in 2021's House of Gucci. Prior to that, she starred in 2018's A Star Is Born.

Joker: Folie à Deux is in theaters Oct. 4.