Royal Ascot: Racegoers and royals turn out for first day

Royals and racegoers are enjoying Royal Ascot as the five-day racing meet gets under way.

It is estimated £100m will be spent on bets over the course of the annual event, which attracts some of the best thoroughbreds, jockeys and trainers in the world.

It is also known for its attention-grabbing display of hats.

A racegoer tries to take a sneaky selfie with the Queen

Ryan Moore riding Gleneagles wins The St James's Palace Stakes in the first race of the week

Floral headwear gets one racegoer noticed by waiting press photographers at Ascot Racecourse

The Royal Parade arrived in time for the first races in the afternoon

The races aren't quite overshadowed, despite the abundance of elaborate head wear

The Queen and Prince Philip were the first of the royals to arrive at the racecourse

Horse racing pundit John McCririck arrives with his wife Jenny at the racecourse

Royal Ascot is known for flamboyant dress and colourful accessories

Prince Charles and his wife the Duchess of Cornwall arrive at Royal Ascot

The Tootsie Rollers pose as a group as they arrive at Ascot Racecourse ahead of the start of the races

Buratino ridden by William Buick won the Coventry Stakes during day one at Ascot Racecourse

The sun shone on racegoers as ever more colourful hats were seen at the event

Racegoers check form hours before Royal Ascot is due to start

Jackie St Clair opted for a winged display on day one of the event

Prince Andrew and Prince Harry arrived by carriage

Sir Bruce Forsyth and his wife Wilnelia Merced were among the famous faces arriving for the first day of racing