The Duke of Cambridge talks to the President of the United States Barack Obama (front left), with the Duchess of Cambridge, First Lady Michelle Obama (back left) and Prince Harry (back right), in the Drawing Room of Apartment 1A Kensington Palace, London, prior to a private dinner hosted by the Duke and Duchess in their official residence at the palace. London, UK, Friday April 22, 2016. Photo by Dominic Lipinski/PA Wire/ABACAPRESS.COM - Photo