Queen Elizabeth II (L) and US President Barack Obama (R) pose in the Music Room of Buckingham Palace ahead of a State Banquet on May 24, 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. AFP PHOTO/ POOL (Photo credit should read -/AFP/Getty Images)