The wedding, pegged the greatest and grandest royal affair since Prince Charles and Princess Diana's 1981 nuptials, is the fairy-tale ending to a love story thrust into the spotlight last November when the couple first announced their engagement.
"I, William Arthur Philip Louis, take thee, Catherine Elizabeth, to my wedded wife, to have and to hold from this day forward, for better, for worse," William vowed. "For richer, for poorer. In sickness and in health. To love and to cherish, till death us do part."
With brother and best man Prince Harry, sporting the uniform of Captain of the Household Cavalry, by his side, William, 28, wearing the scarlet uniform of the Colonel of the Irish Guards, slipped a traditional Welsh gold wedding band on Middleton's finger, saying, "With this ring, I thee wed."
The couple also wrote their own prayer for the occasion. "God our Father, we thank you for our families; for the love that we share and for the joy of our marriage," they said. "In the busyness of each day keep our eyes fixed on what is real and important in life and help us to be generous with our time and love and energy. Strengthened by our union help us to serve and comfort those who suffer."
A Royal AffairWith rows of trees lining the aisle of Westminster Abbey, music selected by the couple performed by the London Chamber Orchestra and a Sarah Burton for Alexander McQueen wedding dress – the best-kept secret of the event – on the bride, no detail was too small for Friday's ceremony.
Middleton, 29, arrived to the Abbey in burgundy-and-black-colored Rolls-Royce, not a carriage, opting for a "lower-key arrival," a palace source told PEOPLE in February.
Guests such as Elton John and Victoria and David Beckham, just a few of the A-listers among the 1,900 who received an invitation, sat in chairs faced inward toward the aisle as Middleton walked toward her prince during the hour-long ceremony.
Afterward, Queen Elizabeth was set to host a post-wedding breakfast of champagne and canapés at Buckingham Palace for 600 guests. At 7 p.m., Prince Charles will throw a dinner dance for about 300 guests in another one of the palace's state rooms.
Before the wedding, the bride spent her last night as a single woman in the Royal Suite of the Goring Hotel, a stone's throw from Buckingham Palace. William, meanwhile, stayed with his father and brother at the Clarence House.
Still, their true fairy-tale moment is yet to come: The couple arrived on the balcony of Buckingham Palace close to 1:25 p.m. for a much-anticipated kiss – in the very same spot Prince Charles and Princess Diana famously kissed 30 years ago.
Scotland Yard estimates one million people lined the wedding route.