Shawn Mendes brought out Niall Horan at his show in London for a surprise duet of "This Town." "I'll remember this for a long ...

Last year, Mendes made a surprise appearance to perform "Treat You Better" during Horan's headlining show in London ...

Shawn Mendes and Niall Horan’s unexpected collaboration has broken the internet.The 27-year-old Canadian singer has ...

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 ...

Fans were stunned as Niall Horan appeared at Shawn Mendes’ London O2 show to perform ‘This Town’ together live.

Shawn Mendes is reflecting on his duet performance with One Direction’s Niall Horan in London.The 27-year-old singer, who ...

Shawn Mendes invited former One Direction singer Niall Horan to join him for a surprise duet of Horan's debut solo single ...

Shawn Mendes brought out a very special guest at his show in London. On Aug. 16, the "Treat You Better" singer, 27, surprised ...

Shawn Mendes Makes Surprise Appearance at Niall Horan Concert for 'Treat You Better' Duet: 'That's My Boy!' Shawn Mendes spent the earlier part of the day in Paris attending a Paris Fashion Week event ...

Niall Horan and Shawn Mendes sure know how to put on a show. While in London performing his The Show: Live on Tour concert, Horan welcomed his Mendes to the stage as a surprise guest, and the two ...

Shawn Mendes recently made a surprise appearance during Niall Horan's world tour. The "Wonder" singer joined Horan onstage at his London show on March 1 and the two sang Mendes' 2016 hit song ...

And then, later Friday, Mendes showed up on stage at Niall Horan’s The Show: Live On Tour concert in London, where they sang “Treat You Better,” Mendes’ 2016 top-1o Billboard Hot 100 hit.