US first lady Michelle Obama (L) and Samantha Cameron, wife of Britain's Prime Minister David Cameron pose while serving food to members of the military during a barbecue in the garden of 10 Downing Street on May 25, 2011 in London, England. The 44th President of the United States, Barack Obama, and his wife Michelle are in the UK for a two day State Visit at the invitation of HM Queen Elizabeth II. Last night they attended a state banquet at Buckingham Palace and today's events include talks at Downing Street and the President will address both houses of parliament at Westminster Hall.
(May 24, 2011 - Source: WPA Pool/Getty Images Europe)
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