President Barack Obama and first lady Michelle Obama talked with Prince William, duke of Cambridge and Catherine, duchess of Cambridge at Buckingham Palace earlier today (May 24, 2011). Toby Melville/WPA Pool/Getty Images hide caption
Prince William Prince William
Kate, now the Duchess of Cambridge, and little Grace van Cutsem. Matt Dunham/AP hide caption
Their Royal Highnesses Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge kiss on the balcony at Buckingham Palace after their wedding. Peter Macdiarmid/Getty Images hide caption
A fan holds British Union Jack flags as people gather to watch the wedding of Britain's Prince William and Kate Middleton on big screens in Hyde Park in central London. Carl Court/AFP/Getty Images hide caption
British Union Jack flags fluttered in the wind next to Big Ben, in London, on Thursday (April 28, 2011). Damien Meyer /AFP/Getty Images hide caption
Prince William's parents, Charles and Diana, on their wedding day — July 29, 1981. If it rains Friday, William and Kate won't be able to use an open carriage. Hulton Archive/Getty Images hide caption
British Union Jack flags are all over Regent Street in London, as the city prepares for Friday's wedding. Adrian Dennis /AFP/Getty Images hide caption
Papa John's commissioned a UK artist to make this awesome Kate and William pizza. Papa John's hide caption
Memorabilia for the wedding of Britain's Prince William and Kate Middleton are on sale in London, Wednesday, March 2, 2011. The wedding takes place on April 29. Matt Dunham/AP hide caption
The "likenesses" on the coin commemorating the engagement of Britain's Prince William and Kate Middleton Anonymous/AP hide caption
Rev. Frederico Lombardi shows copies of 'Light of the World: The Pope, the Church and the Signs of the Times' by German journalist Peter Seewald, based on 20 hours of interviews with Pope Benedict XVI. ALBERTO PIZZOLI/Getty hide caption