July 30, 2025: Rumors don't stop Trudeau from attending Perry's concert with his daughter Ella-Grace, per The Daily Mail. Fans at the Montreal show make sure to film Trudeau singing along to songs like “Teenage Dream” and “Firework.”

Former Canadian Prime Minister Justin Trudeau and Katy Perry had dinner together in Montreal this week.

Former Canadian Prime Minister Justin Trudeau may have stepped down from politics. Still, he's stepping into something much more unexpected, a potential romance with none other than pop superstar Katy Perry.