Justin Trudeau's ex-wife, Sophie Grégoire Trudeau, is opening up about his new high-profile romance with Katy Perry. "We're human beings and stuff affects us," Sophie, 50, told "Arlene is Alone" podcast host Arlene Dickinson on the Wednesday, November 12, episode, after she was asked how she deals with "the publicness of what Justin is doing," seemingly alluding to the former Canadian prime minister's relationship with pop singer, Perry, 41. "How you react to stuff is your decision," she continued. "So I choose to try to listen to the music instead of the noise.