Jason Derulo, Charlie Puth, Jessie Ware

Tonight's guest host is American singer, Jason Derulo. With platinum selling hits including Watcha Say, Ridin' Solo and Want To Want Me, Jason has sold more than 50 million singles worldwide and clocked up over two billion views on YouTube. Along with hosting duties and singing live in the studio, Jason will be introducing performances from Charlie Puth and Jessie Ware.