Killing It! Lady Gaga Is Rocking the ‘Joker 2’ Set: Photos of Her Dressed as Harley Quinn and More

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