How is the ex-wife of Justin Trudeau handling his highly publicized romance with Katy Perry? With a whole lot of grace! Sophie Grégoire Trudeau sat down with Arlene Dickinson for an episode of the Arlene Is Alone podcast on Thursday. During the chat, the host brought up Justin's current life in the public eye with Katy, which saw them make their first official public appearance as a couple together in Paris last month - and getting hot and heavy on a yacht before that. It can be difficult for anyone to see their former spouse move on, especially so publicly.