Nathan Sykes working the 16,000 strong crowd! This image appears in the gallery:#CapitalJBB: MUST-SEE Saturday Pictures Including Coldplay, Jason Derulo & More! 78. Nathan Sykes working the 16,000 strong crowd! Picture: Richard Johnson 131 images See the full gallery: #CapitalJBB: MUST-SEE Saturday Pictures Including Coldplay, Jason Derulo & More!