The "Firework" singer shared a new date night pic with the former Canadian prime minister.

Katy Perry shares intimate Instagram photos with boyfriend Justin Trudeau, giving fans a rare glimpse into their relationship ...

Katy Perry, 41, and Justin Trudeau, 54, have playfully addressed their 13 year age gap, posting a photograph to Instagram of their biological ages. "How old would you be if you didn't know how old you ...

All the latest news, photos and more on the Firework singer. The American superstar rose to international fame in 2008 with ...