More than 10,000 people including a cast of 6,000 performers are set to be involved in a colourful pageant through the streets of London that will mark the end of the Platinum Jubilee celebrations. The 3km carnival procession from Horse Guards, along Whitehall to Admiralty Arch and down The Mall to Buckingham Palace.
It's set to be a busy final day of jubilee celebrations with plenty going on throughout the day. We've taken a look at all of the timings for the big events, and you can follow live updates here.
It comes after another packed day on Saturday that saw the Duke and Duchess of Cambridge, alongside Prince George and Princess Charlotte, visit Cardiff Castle before a huge concert watched by millions outside Buckingham Palace.
