There's only hours to go until Prince William and Kate Middleton get married. Here's what's happening, when, on the big day.
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Friday 29th April: it's a special day so Newsround is bringing you special news updates ALL DAY on the CBBC channel.
Sonali will report LIVE from the heart of the action, Ricky will be taking in the atmosphere in London and Leah will be in Kate's home village in Berkshire. Set your alarm clocks!
0815-0945
All those non-VIPs invited to the wedding will arrive at Westminster Abbey in London. Of course by then the streets will be PACKED with well-wishers from around the world, joining in the celebrations.
From 0950
Now time for a bit of star-spotting as it's when VIP guests start arriving at Westminster Abbey. Look out for prime ministers and other famous faces.
1015
Things hot up now as Prince William will arrive at the Abbey with his best man, Prince Harry. Time to check out whether they're looking a little nervous ahead of the ceremony.
1020-1040
Kate's family and the royal family will all be arriving at Westminster Abbey around now. The Queen and Duke of Edinburgh will be some of the last quests to arrive. Wonder what colour hat she'll be wearing?
1051
The bride leaves for Westminster Abbey with her dad. She's travelling in a Rolls-Royce and this is the time to get the first glimpse of what she's wearing.
1100
At last! The wedding ceremony kicks off. It will take place in front of 1,900 guests and be broadcast to about two billion people around the world. The Archbishop of Canterbury will marry the couple.
1215
Yippee - it's official, they're married. Prince William and Kate, who'll now be known as Her Royal Highness, Princess William of Wales, will walk down the aisle together. Once they get outside it's time for MORE cheering and flag waving from the crowds.
The couple will then travel for about 15 minutes to Buckingham Palace in an open horse-drawn carriage which was used by Will's mum and dad, Princess Diana and Prince Charles, after their 1981 wedding. Keep your fingers crossed there's no rain.
1325
Another BIG moment you don't want to miss. The newlyweds, The Queen and their families are due to appear on the balcony at Buckingham Palace. This should mean MORE cheering, waving from the Royal family - and maybe even a public kiss for the bride and groom?
Their appearance will be followed by aircraft from the Royal Air Force and World War II planes from the Battle of Britain Flight.
In the afternoon
The Queen will hold a reception for the couple and their guests and loads of places around the country will be holding street parties to mark the big day.
In the evening
The proud dad, Prince Charles, will host a private dinner followed by some dancing, at Buckingham Palace. It will be for the couple and their close friends and family.