Kate, Duchess of Cambridge reacts as she talk to photographer Jillian Edelstein, right, during her visit to 'Road to 2012 : Aiming High' exhibition at the National Portrait Gallery in London, Thursday, July 19, 2012. The Duchess of Cambridge is the Patron of the National Portrait Gallery. The exhibition showcase commissioned photographs documenting the preparations for London 2012 Olympics. (AP Photo/Sang Tan, Pool)
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