Britain's Catherine, Duchess of Cambridge arrives to attend an evening reception to celebrate the work of The Art Room charity at The National Portrait Gallery in London on April 24, 2013. The Art Room, a charity working with children to increase their self-esteem, self-confidence and independence through art, hosted an evening at The National Portrait Gallery to celebrate the launch of the Pledge for the Future appeal and their 11th anniversary.    AFP PHOTO / POOL / TIM P. WHITBY        (Photo credit should read TIM P. WHITBY/AFP/Getty Images)