Lady Gaga is spotted for the first time as Harley Quinn as she films Joker sequel in New York City

Lady Gaga Looks Defiant as Harley Quinn While Filming 'Joker' Sequel: See the Pics!

Lady Gaga Shows Off Her Harley Quinn Outfit In New Photo From ‘Joker: Folie A Deux’ Set

Lady Gaga’s Harley Quinn Costume Revealed in ‘Joker: Folie à Deux’ Set Photos