Prince William and Kate Middleton are now officially a married couple. The two wed in London's Westminster Abbey this morning in a beautiful ceremony. As it had been speculated, Kate Middleton was wearing a gown by Sarah Burton for Alexander McQueen. After the ceremony, the couple and their family made their way to Buckingham Palace for the much-anticipated kiss, and of course the festivities that follow. Up next is a reception with more than 600 people. The distinguished guests of the wedding started arriving early. From princes and princesses to Elton John and David and Victoria Beckham, this wedding was much anticipated by the whole world. Hundreds of people lined the streets of London to catch a glimpse of Prince William and Kate Middleton. The broadcast began in the early morning by the BBC. The Royal Wedding will also be broadcast live on YouTube. YouTube's live stream will focus on the wedding procession and the marriage ceremony at Westminster Abbey as well as the balcony kiss. Here are photos of the procession from Westminster Abbey to Buckingham Palace.