US First Lady Michelle Obama (R) and US ambassador in Great Britain Louis Susman arrive at a reception at the Buckingham Palace, in London, on July 27, 2012 to welcome Heads of State and Heads of Government to the UK before they go to attend the opening ceremony of the 2012 London Olympic Games .
AFP PHOTO / POOL / DOMINIC LIPINSKI (Photo credit should read Dominic Lipinski/AFP/GettyImages)