Shawn Mendes had a very special treat up his sleeve for fans at his O2 Arena show in London on Saturday night (Aug. 16). the singer brought out his old pal former One Direction member Niall Horan for a run through the latterS debut solo single,2016’s “this Town.””I love you… and I love this guy.” Horan grinned as he pointed to his friend amid the screams of joy. In the caption to his video of the duet, Mendes wrote, “I’ll remember this for a long time [heart emoji]. Thank you so much London.” It wasn’t the first time the two friends have performed together recently; Mendes joined Horan on March 1, 2024, during a London tour stop of Horan’s The Show: Live on Tour to perform his single, “Treat You Better.”
Mendes’ On the Road Again world tour continues Wednesday (Aug. 20) with a show at the Ziggo Dome in Amsterdam, followed by four more European dates before returning to North america on Sept. 25 at TD Garden in Boston. Horan is preparing for the return of The Voice on Sept. 22, were he’ll rejoin castmates Reba McEntire, Michael Bublé, and Snoop Dogg for season 28.