LONDON, ENGLAND - MARCH 03: Queen Elizabeth II and the Duke of Edinburgh accompany the President of the United Mexican States, Senor Enrique Pena Nieto and Senora Angelica Rivera de Pena to Buckingham Palace on March 3, 2015 in London, England. The President of Mexico, accompanied by Senora Angelica Rivera de Pena, are on a State Visit to the United Kingdom as the guests of Her Majesty The Queen from Tuesday 3rd March to Thursday 5th March. (Photo by Ian Gavan - WPA Pool /Getty Images)
