The sparkling gown, which featured pearl adorned straps, clung to the star's tiny waist and taut midriff. And it's a good thing too: In order to be fit for the role, Ramona Braganza was called in to keep Johnson and Dornan in peak form. In an interview with Healthista , Amanda Lundgren spoke with Braganza about the challenges of crafting a body fit for Fifty Shades, and Braganza shares Johnson's 25 minute workout. How often did you train Johnson and Dornan?