In back-to-back films, costume designer and three-time ... Joaquin Phoenix reprise and expand his role as Joker/Arthur Fleck and introduces Lady Gaga as Lee Quinzel, also known as Harley Quinn.

Lady Gaga as Harley Quinn films a scene with an unruly crowd for 'Joker: Folie à Deux' in NYC. The actress appears in full costume being escorted by several cops to a courthouse as a rorous crowd ...

Lady Gaga Films 'Joker: Folie à Deux' Scene at Iconic ... which also featured Phoenix's Arthur Fleck / Joker in full makeup and costume, tilting his head to the right in a seated position.