In Black Mass, Dakota Johnson plays a Bostonian, and she made it a point to get that accent right. “If you mess it up, they might kill you,” she explained to Jimmy Fallon last night. So she eavesdropped to perfect it—and then showed Fallon just how effective the method is by doing Boston, French, Australian, and Southern accents on the spot:
That Aussie one is really so great. Bravo!