Folie À Deux' Harley Quinn isn't as great of a singer as Lady Gaga. In a new interview with Empire, the Grammy and Oscar winner opened up about the process of unlearning her "trained" singing ...

Lady Gaga is revealing how she changed her singing voice for her version of Harley Quinn (aka Lee) in Joker: Folie À Deux. The Oscar and Grammy winner, who stars opposite Joaquin Phoenix in Todd ...