[related]“I knew it was gonna be a special song, I just had a feeling that a lot of people were gonna love it after her reaction,” he said of the track, which got to number 3 in the Official UK Top 40 charts.

“And then I sang it at my wedding and a lot of people have used it at their weddings,” he added.

But Ohio-born John - who's recently been collaborating with One Direction star Harry Styles - also confessed that despite his romantic hits: “I’m not much of a crier."

He added: "Everyone thinks I’m so emotional because of my songs!"