Sam had even MORE US success... winning 'Favourite Male Artist' at the American Music Awards 2014 This image appears in the gallery:Countdown To The Capital Jingle Bell Ball With Morrisons 15. Sam had even MORE US success... winning 'Favourite Male Artist' at the American Music Awards 2014 And celebrates in true style afterwards with one EPIC after-party. YOLO! Picture: Getty 30 images See the full gallery: Countdown To The Capital Jingle Bell Ball With Morrisons