Washington [US], October 8 (ANI): Hollywood star Margot Robbie finally broke her silence over Lady Gaga portraying Harley Quin in 'Joker 2'. The 'Birds of Prey' star is reportedly very excited about Lady Gaga taking on the role of Harley Quinn in the upcoming 'Joker' sequel, officially titled 'Joker: Folie a Deux.'
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