EXCLUSIVE: Street Child gala dinner held at Kensington Palace to mark the charity???s 10th birthday and the launch of their ???Count Me In??? campaign. Started in 2008, the charity exists to support children in some of the world???s toughest places into education. From an original project supporting 100 street children in Sierra Leone, the charity has to date supported 200,000 vulnerable children and now operates in 10 countries. Pictured: Sarah,The Duchess of York World Rights