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 ...

Shawn Mendes and Niall Horan perform 'This Town' in London during concert performance, following last year's 'Treat You Better' duet.

VIDEO: Fans lost their minds when Shawn Mendes introduced Niall Horan during his London concert. Watch the two embrace and ...

Shawn Mendes brought out old friend Niall Horan for run through the latter's solo hit 'This Town' during his London show on Saturday night (Aug. 16).

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

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

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

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

Shawn Mendes Brings out Surprise Guest at Concert and Fans Are Losing It originally appeared on Parade. Shawn Mendes brought ...

Niall Horan made a surprise appearance at Shawn Mendes' concert at the O2 Arena in London on Saturday (August 16) delighting fans with a performance of his hit song 'This Town'. Mendes recently kicked ...

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

Niall Horan made a surprise return to the stage at Shawn Mendes ’ concert at the O2 Arena in London on Saturday, 16 August. This marked his first public performance in 10 months, following the death ...