Joaquin Phoenix’s Joker will make his big screen return alongside Lady Gaga. Not long after Joker director Todd Phillips confirmed he would be writing and directing a sequel, Gaga confirmed her casting by sharing a video of her and Phoenix’s silhouettes dancing via Instagram.

Ahead of the film’s release, Lady Gaga reveals how the ‘experience of mania and chaos inside her’ helped her bring Harleen Quinzel to life.

The Joker and his Harley Quinn are sticking together until they end, and that sentiment is clear in a new teaser clip for Joker: Folie à Deux that was released by IMDb on Wednesday (Sept. 18). In the minute-long clip,

Folie à Deux has been released which highlights the DC sequel's twisted leads. Lady Gaga has also talked more about how she approached bringing Harley Quinn to life on

Lady Gaga recently shared the movie's final trailer, and she sounds absolutely incredible singing "That's Life" in it. What we know about Joker: Folie à Deux is limited, but that'll change when it hits theaters in October.

Joker: Folie à Deux. The 60-second video features Lady Gaga's Harley Quinn visiting an emaciated Arthur Fleck, or Joker, played by Joaquin Phoenix, who is in a mental institution. Before she leaves, she pulls out a red lipstick and smears a clownish grin,