Actress Dakota Johnson was "committed" to working out hard ahead of her role in "Fifty Shades of Grey", her trainer Gunnar Peterson has revealed.
The celebrity trainer has revealed the 26-year-old actress worked hard to achieve her ideal body ahead of shooting for the racy film, reported Femalefirst.
"It's a lot of people looking at your privates. Dakota is in tow when she trains. She's regular, she's committed," Peterson said.
