The Royal Standard flag is flying at Windsor to signify the Queen is in residence and it is much bigger than the usual one to show that today is a very special occasion. Her Majesty is having a Jubilee luncheon with other monarchs.
An investigation has been launched into how unpaid workers bussed into London for the Diamond Jubilee celebrations were left stranded.
The Archbishop of Canterbury Rowan Williams spoke of the Queen's lifelong dedication to her people, her country and the commonwealth.
The Queen has a packed schedule on the final - and climactic - day of the Diamond Jubilee weekend.