Justin Trudeau added fuel to Katy Perry romance rumors on Wednesday when he was spotted at her Lifetimes Tour in Canada. The sighting comes just days after the former Canadian Prime Minister, 53, and the "Teenage Dream" singer, 40, were photographed walking in a park in Montreal on Monday, TMZ reported.

Videos and images from the city’s Bell Centre show Justin Trudeau enjoying himself at the Lifetimes Tour. The 53-year-old, dressed in a black T-shirt, was spotted singing along to Perry’s hit tracks like Roar and Firework. According to Page Six, Trudeau’s 16-year-old daughter, Ella-Grace, was also present at the concert.

Speculation about a romance between pop star Katy Perry and former Canadian Prime Minister Justin Trudeau erupted after they were seen dining together and attending her concert. And recently, Trudeau joined the audience in singing along to Perry's hit Firework.