Photo: Barack Obama And Wife Arrive Windsor Castle To Have Lunch With Queen Elizabeth.

Barack Obama today swept in to Windsor for a lunch with the Queen just a day after Elizabeth II celebrated her 90th birthday. The US President is joined by his wife Michelle for the intimate meeting at Windsor Castle - and they were met on the lawn by the Queen and the Duke of Edinburgh, who appeared in good spirits as they shared a joke with the couple. The meeting comes a day after Elizabeth II celebrated her 90th birthday; the Obamas will later meet William and Harry....