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Queen Elizabeth II arrives with President Barack Obama, first lady Michelle Obama and Prince Philip, the Duke of Edinburgh, in the Music Room at Buckingham Palace ahead of a state dinner on May 24, 2011, in London.
Lewis Whyld - WPA Pool/Getty Images
Queen Elizabeth II and President Barack Obama pose for photographers prior to a state dinner hosted by the Queen at Buckingham Palace, in London, May 24, 2011.
AP Photo/Larry Downing
President Barack Obama, first lady Michelle Obama, Queen Elizabeth II, and Prince Philip, the Duke of Edingburh, left, pose for photographers prior to a state dinner hosted by the Queen at Buckingham Palace, in London, May 24, 2011.
AP Photo/Larry Downing
President Barack Obama and first lady Michelle Obama pose for photographers prior to a state dinner hosted by Queen Elizabeth II at Buckingham Palace, in London, May 24, 2011.
AP Photo/Larry Downing
President Barack Obama, first lady Michelle Obama, Queen Elizabeth II, and Prince Philip, the Duke of Edingburh, left, pose for photographers prior to a state dinner hosted by the Queen at Buckingham Palace, in London, May 24, 2011.
Lewis Whyld - WPA Pool/Getty Images
First lady Michelle Obama poses for photographers prior to a state dinner hosted by the Queen at Buckingham Palace, in London, May 24, 2011.
AP Photo/Larry Downing
President Barack Obama, first lady Michelle Obama, Queen Elizabeth II, and Prince Philip, the Duke of Edingburh, left, pose for photographers prior to a state dinner hosted by the Queen at Buckingham Palace, in London, May 24, 2011.
Lewis Whyld - WPA Pool/Getty Images
President Barack Obama talks to Britain's Queen Elizabeth II during a state dinner hosted by the Queen at Buckingham Palace, in London, May 24, 2011.
Lewis Whyld - WPA Pool/Getty Images
President Barack Obama listens as Britain's Queen Elizabeth II delivers a speech during a state dinner at Buckingham Palace, in London, May 24, 2011.
Lewis Whyld - WPA Pool/Getty Images
President Barack Obama speaks during a state dinner hosted by Queen Elizabeth II at Buckingham Palace, in London, May 24, 2011.
Lewis Whyld - WPA Pool/Getty Images
President Barack Obama talks to Britain's Queen Elizabeth II during a state dinner hosted by the Queen at Buckingham Palace, in London, May 24, 2011.
Lewis Whyld - WPA Pool/Getty Images
Camilla, the Duchess of Cornwall, President Barack Obama, Britain's Queen Elizabeth II, Prince Philip, Duke of Edinburgh, first lady Michelle Obama and guests during a state dinner hosted by the Queen at Buckingham Palace, in London, May 24, 2011.
