The Obamas are Greeted at Downing Street in London...

 President Barack Obama and First Lady Michelle Obama (wearing a dress by Roksanda Ilincic) left Westminster Abbey on May 24, 2011 in London, England. The 44th President of the United States Barack Obama and First Lady Michelle are in the UK for a two day State Visit at the invitation of HM Queen Elizabeth II. During the trip they will attend a state banquet at Buckingham Palace and the President will address both houses of Parliament at Westminster Hall.

President Barack Obama and his wife Michelle Obama were greeted at Downing Street by British Prime Minister David Cameron with his wife Samantha Cameron on May 24, 2011 in London, England.
[photos via Getty Images]