Margot Robbie Praises Lady Gaga Harley Quinn Casting in 'Joker 2' - Variety
Margot Robbie explains why there's no Joker in 'Birds of Prey'
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Gaga has been laying low, she wants to kill it": Margot Robbie's Replacement as Harley Quinn, Lady Gaga is Already Feeling the Pressure Ahead of 'Joker: Folie à Deux' - FandomWire
Joker-Harley Quinn Storyline Confused Me in Suicide Squad, Says Margot Robbie