The queen's royal barge, Gloriana leads the way as the River Thames is awash with color from flotilla participants.
Queen on the water —
Britain's Queen Elizabeth II waves to thousands along the Thames as the royal barge makes its way down the river.
Heading to The Gloriana —
The queen and the Duke of Edinburgh leave the docks and head out on to the water to the beginning of the Thames River Pageant.
William, Kate and Harry arrive —
Prince William, his wife Catherine and Prince Harry prepare to board the royal barge "Spirit of Chartwell" during the Thames Diamond Jubilee Pageant on the River Thames in London on June 3, 2012.
Queen celebrates 60 years on the throne —
Queen Elizabeth II is greeted by Chelsea pensioners at Chelsea Pier ahead of the Thames River Pageant. This is the second time in British history a monarch has reached a diamond jubilee milestone.
Row boats sit on the Thames —
Participants sit in row boats in preparation for the start of the jubilee flotilla along the Thames for the queen's diamond jubilee.
Rain, rain, go away... —
Despite the rain, tens of thousands gathered to get a good spot in time for the 1000-boat flotilla in the celebration of the queen's 60th year on the throne.
Celebrating the queen's milestone —
A woman flies a Union flag during the Thames Diamond Jubilee Pageant on the River Thames in London on June 3, 2012.
Dressing up for the occasion —
Two pageant spectators dressed as the queen (complete with corgi) and a "coronation chicken" pose for a photograph along the River Thames. Thousands are expected to turn out for the pageant to celebrate the queen's Diamond Jubilee
Anti-royalist protests —
Anti-royalist protestors demonstrate beside the River Thames in London ahead of the 1,000 boat Diamond Jubilee River Pageant on June 3, 2012.
Royal guests at street party —
Prince Charles, Prince of Wales and Camilla, Duchess of Cornwall attend the "Big Jubilee Lunch'" in Piccadilly ahead of the Diamond Jubilee River Pageant.
Epsom Derby day —
Britain's queen spends a day at the Epsom Derby marking the opening of her Diamond Jubilee weekend on June 2, 2012. Elizabeth II smiles from the royal balcony with Prince Edward, Earl of Wessex behind her.