One Direction surprise Niall Horan on birthday

English-Irish band One Direction members surprised band member Niall Horan by breaking into an impromptu gig during a performance in Foxborough, US, and singing Happy Birthday to him.

The band members — Liam Payne, Harry Styles and Louis Tomlinson — wished Horan with the song on Saturday, reports mirror.co.uk.

Horan turned 22 on Sunday.

One Direction now leave the US and head back to London for the next part of the On The Road Again tour, which starts on September 24.

According to sources, the band’s last live concert will be on October 31 at Motorpoint Arena in Sheffield.