Justin Trudeau Sings Along to ‘Firework’ at Katy Perry’s Concert Shortly After Dinner Outing Justin Trudeau attended Katy Perry's Lifetime

Justin Trudeau Sings Along to ‘Firework’ at Katy Perry’s Concert Shortly After Dinner Outing Justin Trudeau attended Katy Perry's Lifetimes show and sang along to "Firework," as captured in videos. https://www.billboard.com/music/music-news/justin-trudeau-katy-perry-show-sings-firework-1236034113