Jason Derulo brought some very nice hip action to the stage with his dance moves This image appears in the gallery:One Direction, Ariana, Avicii & More! The MUST-SEE Pictures From Capital's Summertime Ball 2015 65. Jason Derulo brought some very nice hip action to the stage with his dance moves Picture: Joe Okpako 171 images See the full gallery: One Direction, Ariana, Avicii & More! The MUST-SEE Pictures From Capital's Summertime Ball 2015