Lady Gaga used her experience of reinventing herself within the music industry to create her role in ‘Joker: Folie a Deux’. The singer plays Lee- aka Harley Quinn – in the new movie opposite Joaquin Phoenix as Batman’s nemesis the Joker and she’s revealed creating characters in her music helped her when it came to pulling together ideas for her latest onscreen role. Speaking to Zane Lowe on Apple Music 1, Gaga explained: “I think that for me, this idea of dual identities was always something that was a part of my music-making. “I was always creating characters in my music, and when I made Lee …