The Oscar-winning singer stars opposite Joaquin Phoenix in the upcoming sequel as the disturbed lover of his titular Batman villain.

Lady Gaga, whose real name is Stefani Joanne Angelina Germanotta, is set to portray one of pop culture’s most iconic characters, Harley Quinn.

Director Todd Phillips told reporters on the red carpet about the key role music plays in the sequel, while 'Industry' star Harry Lawtey discussed playing Harvey Dent, aka Two-Face.