Expert called it ‘strategic move’ and explained how this indiscreet setting at fancy restaurant ‘elevates both their brands.’

The politician and the "Hot N Cold" singer shocked fans when they were photographed enjoying dinner together at a swanky restaurant in Montreal, Canada.

Justin Trudeau was lit up like a firework at Katy Perry’s Montreal concert Wednesday night. Fresh off his dinner date with the “Dark Horse” pop star, the former Canadian prime minister, accompanied by his teenage daughter, was spotted beaming and singing along to Perry’s greatest hits at the singer’s Bell Centre stop on her Lifetimes tour.