Olly Murs couldn't take the smile of his face throughout his energetic performance This image appears in the gallery:One Direction, Ariana, Avicii & More! The MUST-SEE Pictures From Capital's Summertime Ball 2015 140. Olly Murs couldn't take the smile of his face throughout his energetic performance Picture: Danny North 171 images See the full gallery: One Direction, Ariana, Avicii & More! The MUST-SEE Pictures From Capital's Summertime Ball 2015