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

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 ...

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

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

Shawn Mendes left fans flabbergasted when he invited One Direction singer Niall Horan to his London gig. The 27-year-old has ...

On Saturday, Aug. 16, Shawn Mendes surprised the audience at his show in London when he brought out Horan to duet the former ...

It’s impossible not to get excited when Niall Horan and Shawn Mendes share the stage!During the thrilling London concert of ...

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 ...

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 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 ...

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.

ONE Direction star Nial Horan surprised fans by appearing on stage with Shawn Mendes at his sell-out London show. Last night, ...