Lady Gaga, Joaquin Phoenix Dance and Smoke on the ‘Joker’ Stairs While Filming ‘Folie à Deux’ (PHOTOS)

Joaquin Phoenix’s Arthur Fleck Is Deteriorating In ‘Joker: Folie a Deux’ Set Photos

Lady Gaga and Joaquin Phoenix RESCUE fallen crew member on Joker 2 set while filming on iconic steps

Lady Gaga & Joaquin Phoenix Sing & Dance; Rescue Crew Member After Fall on 'Joker 2' Set