Sun Comes Up Rudimental feat. James Arthur Download 'Sun Comes Up' on iTunes
Usher has opened up about the shows he had to cancel on his European tour.
Speaking about the gigs he had to cancel in Berlin, he said: 'It was one of my harder moments. I was extremely sick.
He added: 'Berlin was very rough for me. (But) I got back on my horse.'
See the video interview below