Race-goers at Royal Ascot have been letting their hair down for Ladies' Day, as these pictures attest.
While the Queen was busy counting her winnings after her filly Estimate finished first, hats and shoes were being discarded, champagne was being guzzled and revelry was in progress.
Steady on: A steward gives a wobbly woman a hand
At a guess there are probably a few sore heads today, as well as grazed knees.