The 'Troublemaker' is at it again, Olly Murs causes some mischief at this #CapitalSTB This image appears in the gallery:One Direction, Ariana, Avicii & More! The MUST-SEE Pictures From Capital's Summertime Ball 2015 143. The 'Troublemaker' is at it again, Olly Murs causes some mischief at this #CapitalSTB Picture: Danny North 171 images See the full gallery: One Direction, Ariana, Avicii & More! The MUST-SEE Pictures From Capital's Summertime Ball 2015