Justin Trudeau’s homemade Halloween costume appears to reference one of Katy Perry’s past viral moments.

Trudeau, who was recently photographed holding hands with the singer in Paris, posted a photo on Instagram posing with his youngest child, Hadrien, in their group Halloween costume.

In the photo, the former Canadian prime minister wore an inflatable shark costume and held a bloody surfboard with a bite mark out of the side, while his son wore a sleeveless wetsuit with fake blood dripping down the side of his face.

In the caption, Trudeau shared background about their costumes, which seemingly included a subtle nod to Perry.

“Ready for Halloween with Hadrien: he’s the surfer, I’m the shark (to his left),” he wrote. “We built the costume together — a little father-son Halloween teamwork.”

The caption seemed to reference “Left Shark,” a viral meme from Perry’s Super Bowl halftime performance in February 2015.

During the performance, two dancers dressed up in shark costumes. While one dancer followed the routine to a T, the other — the shark to the left of Perry— was a bit looser with their moves.

Whether Trudeau’s costume was a true nod to Perry remains unclear, but the former politician, who served as prime minister of Canada from 2015 to January 2025, and the “Firework” singer have been spotted together several times since the summer.

Following Perry’s split from fiancé Orlando Bloom in July after nearly 10 years together, Trudeau was spotted at one of her concerts over the summer in Montreal singing in the crowd.

Perry and Trudeau were also seen together at the beginning of August.

Neither has publicly commented on the relationship rumors.

Trudeau was previously married to his wife, Sophie Grégoire, for 18 years before announcing their separation in August 2023. In addition to their youngest son, Hadrien, they are also parents to son Xavier and daughter Ella-Grace.

Perry shares daughter Daisy with Bloom, whom they welcomed in August 2020, more than a year after the couple got engaged on Valentine’s Day in 2019.

Despite the couple’s separation as of July, the two plan to co-parent their daughter together.

Representatives for the former couple told TODAY.com in a statement at the time, “Due to the abundance of recent interest and conversation surrounding Orlando Bloom and Katy Perry’s relationship, representatives have confirmed that Orlando and Katy have been shifting their relationship over the past many months to focus on co-parenting.

“They will continue to be seen together as a family, as their shared priority is — and always will be — raising their daughter with love, stability and mutual respect,” the statement continued.