VIDEO : Emma Stone Breaks a Sweat as She Twerks With Ellen DeGeneres

Emma Stone and Ryan Gosling look like they're dancing on air?and in one scene, they actually do?in the movie musical La La Land (in theaters nationwide Dec. "We practiced a lot," the 28-year-old actress said on The Ellen DeGeneres Show Monday. The rest?what are you talking about?'" Learning to ballroom dance with someone you don't know must be terrifying," she said. "With him, I was sweating all over him and felt fine about it.