Lady Gaga & Joaquin Phoenix Kick Off 'Joker: Folie à Deux' Press at Venice Photo Call!

Lady Gaga wears a red chiffon gown as she heads out in Venice with her fiancé Michael Polansky ahead of Joker: Folie à Deux premiere

See Lady Gaga’s Harley Quinn Sing a Judy Garland Song to the Joker in ‘Folie à Deux’

Watch Lady Gaga Enable Joker’s Descent into Madness in ‘Folie à Deux’ Teaser: ‘He’s Not Sick!’