The 'Les Miserables' star visited the Hollywood salon of star stylist Marie Robinson May 23 for the dye job, reported Us magazine.
The hairstyle is said to be for her next movie 'Song One', which will be produced by her husband Adam Shulman, Jonathan Demme and Marc Platt alongside Worldview Entertainment.
"In the film, she will play a young woman who strikes up a relationship with her ailing brother's favorite musician," said a press release pertaining to the film.