"Happy Mistake" appears on Gaga's album Harlequin, released Friday. The album is a "companion album" to the upcoming film Joker: Folie à Deux, starring Gaga and Joaquin Phoenix as the DC Comics ...
LadyGaga is preparing for the world to meet her latest character: Harleen "Lee" Quinzel. With "Joker: Folie à Deux" hitting theaters Oct. 4, see everything she's worn during her press tour.