"Inter-generational classic": Fans react as Niall Horan joins Shawn Mendes to perform 'This Town' live

Shawn Mendes invited former One Direction singer Niall Horan to join him for a surprise duet of Horan's debut solo single This Town at London's O2 Arena this past weekend. A newly surfaced video of that performance has now drawn notable reactions from fans and enthusiasts.

It was a reunion of sorts between two global stars who have been friends for a long time. The crowd erupted as Niall Horan, guitar in hand, walked onstage and eventually performed This Town. The beloved Irish singer has been away from the stage for nearly a year.

It was his first live appearance since the passing of his former bandmate Liam Payne in late 2024. Shawn Mendes also returned to global touring after a canceled run in 2022 and a mini-tour in 2024.

Gushing on their performance, one fan declared:

"This Town is an inter generational classic"

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Internet reactions to Shawn Mendes and Niall Horan performing 'This Town'

Pop Base took to its official X (formerly Twitter) page to share that,

"Niall Horan and Shawn Mendes reunite and perform ‘This Town’ at Shawn’s concert."

Fans were notably quick to weigh in on the comment section of the X post as they expressed their thoughts. Below are some of them had to mention:

"Aw, love, Niall and Shawn reuniting is so wholesome", lauded a fan.

"Still, there is something special about old friends reuniting on stage. Feels like a little time capsule moment for fans.", added another.

"Ah yes, the crossover nobody asked for but everyone's mom is probably thrilled about.", penned a third.

Others also chimed in:

"Pure magic on stage: Niall Horan and Shawn Mendes proving some collaborations are worth the wait.", commented an X user.

"Two voices, one unforgettable moment", stated another.

"still can't believe we let the industry convince us harry was the only one with solo potential", noted a third.

For Shawn Mendes, the London concert might be one of the highlights from his ongoing On The Road Again tour. A complete itinerary of his run is as follows: