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

Justin Trudeau was all smiles and full of energy as he grooved along to Katy Perry's hits during her "Lifetimes" tour stop.

The former Canadian Prime Minister beamed as he watched the "Firework" hitmaker take the stage at Montreal's Bell Centre on ...

Pop star Katy Perry and former Canadian Prime Minister Justin Trudeau sparked dating rumors after being spotted together at a ...

Justin Trudeau was lit up like a firework at Katy Perry’s Montreal concert Wednesday night. Fresh off his dinner date with ...

Justin Trudeau was totally vibing as he heard Katy Perry "Roar" at Wednesday's "Lifetimes" tour! Several videos posted by ...

The former Canadian Prime Minister was in attendance for Katy's The Lifetimes Tour as she made a stop in Montreal July 30.

Former Canadian Prime Minister Justin Trudeau may have stepped down from politics. Still, he's stepping into something much ...

Katy Perry is saying "bon appétit" to Justin Trudeau ... as the pair was seen chowing down at a swanky restaurant in Montreal ...

A body language expert analyzed Katy Perry and Justin Trudeau and the vibes have been deemed flirty—more info this way.

Some commentators reckon that the romance is a good PR move.