Katy Perry's reportedly official partner Justin Trudeau's 2025 Halloween costume has sent the internet into a frenzy. Enthusiasts are speculating that his look may have been a subtle nod to his relationship with pop star Katy Perry.On October 31, 2025, Trudeau shared a series of Instagram photos, where he was dressed as a blue shark, alongside his 11-year-old son Hadrien, who was dressed as a bloodied surfer. In his caption, Trudeau wrote:"Ready for Halloween with Hadrien: he is the surfer, I am the shark (to his left). We built the costume together, a little father-son Halloween teamwork. 🎃🦈🏄‍♂️"Netizens reacted, saying:"They are cooking something"जेंटल मैन 🪷 @gentleman07_LINKThey are cooking somethingInternet reactions to Justin Trudeau seemingly channeling Katy Perry's left shark for HalloweenPop Base took to its official X (formerly Twitter) page to post that,"Justin Trudeau dresses up as Katy Perry’s left shark for Halloween."Netizens soon jumped into the comment section of the X post as they penned their thoughts on Justin Trudeau's Halloween 2025 look. Below are some of their reactions:"This couple pairing is so "5th season of a tv show and the writers ran out of ideas" coded", declared an X user."What do they ultimately want to prove to us by showing all this?", questioned another."A dope acting like a dope. That man is so uncool it's not even funny. Canada's most despised man, next to Mark Carney.", commented a third.Others also chimed in:"Trudeau channeling left shark vibes for Halloween? That dance is smoother than our morning routine. Who else is flopping into the weekend? 💩", penned a netizen."He is not dressed as left shark, it’s just the same shark costume. He’s very clearly dressed as a shark attack with his kid.", noted another."I'm not going to lie, this is kind of cute. As much as I hate this man for destroying my country, he is obsessed with Katy Perry, and I love that for them.", lauded a third.Katy Perry's Left Shark became a viral sensation in February 2015 during her Super Bowl XLIX Halftime Show. As Perry performed her "Teenage Dream," one of her backup dancers, the shark on her left side, appeared to miss multiple choreography cues.The dancer was later identified as Bryan Gaw. He unintentionally became a pop culture phenomenon among fans. Left Shark was celebrated for its hilarious moves.As Trudeau celebrated Halloween in Canada, Katy Perry was on the road with her Lifetimes World Tour, which has been running since early 2025. It is scheduled to continue through mid-2026. The upcoming dates and stops are as follows:Sunday, November 2, 2025, Bologna, Italy, at Unipol ArenaTuesday, November 4, 2025, Paris, France, at Accor ArenaWednesday, November 5, 2025, Paris, France, at Accor ArenaFriday, November 7, 2025, Lyon, France, at LDLC ArenaSunday, November 9, 2025, Barcelona, Spain, at Palau Sant JordiTuesday, November 11, 2025, Madrid, Spain, at Movistar ArenaFriday, November 21, 2025, Hangzhou, China, at Olympic Sports Centre GymnasiumSaturday, November 22, 2025, Hangzhou, China, at Olympic Sports Centre GymnasiumMonday, November 24, 2025, Shanghai, China, at Mercedes Benz ArenaTuesday, November 25, 2025, Shanghai, China, at Mercedes Benz ArenaWednesday, November 26, 2025, Shanghai, China, at Mercedes Benz ArenaSaturday, November 29, 2025, Haikou, China, at Wuyuanhe StadiumWednesday, December 3, 2025, Tokyo, Japan, at Saitama Super ArenaSunday, December 7, 2025, Abu Dhabi, UAE, at Abu Dhabi Grand PrixThursday, June 18, 2026, Santiago, Spain, at Festival O Son Do CamiñoSaturday, June 20, 2026, Lisbon, Portugal, at Rock in RioSaturday, June 27, 2026, Werchter, Belgium, at Werchter BoutiqueFriday, July 3, 2026, Arras, France, at Main Square FestivalSunday, July 5, 2026, Madrid, Spain, at Festival Rio BabelWednesday, July 8, 2026, Stuttgart, Germany, at Jazz OpenThursday, July 9, 2026, Aix-les-Bains, France, at MusilacSaturday, July 11, 2026, Nîmes, France, at Festival de NîmesSunday, July 12, 2026, Nancy, France, at Nancy Open AirThursday, July 16, 2026, Carhaix, France, at Les Vieilles CharruesFriday, July 17, 2026, Brive-la-Gaillarde, France, at Lovely Brive FestivalSunday, July 19, 2026, Lucca, Italy, at Lucca Summer FestivalFans can keep an eye on the official pages for further updates.Also Read: "Weirdest pairing of 2025": Internet reacts as Katy Perry and Justin Trudeau officially go public with romance