In pictures: Royal Ascot day one

PA King Charles III and Queen Camilla watching the Ascot Stakes during day one of Royal Ascot.PA
King Charles and Queen Camilla were spectators during day one of Royal Ascot

Royal Ascot galloped out of the starting gate on Tuesday, with an estimated 290,000 people expected to attend this year.

The five-day event at Ascot Racecourse in Berkshire is a showcase for a fabulous array of world class horses and, of course, hats.

NEIL HALL/EPA/Shutterstock King Charles III and Queen Camilla arrive in a carriage on the first day of Royal Ascot.NEIL HALL/EPA/Shutterstock
The King and Queen arrived in a carriage for the event
PA The Princess Royal presenting the trophies after Bow Echo won the St James's Palace Stakes during day one of Royal Ascot.PA
The Princess Royal presented trophies
NEIL HALL/EPA/Shutterstock Zara Tindall on the first day of Royal Ascot.NEIL HALL/EPA/Shutterstock
Zara Tindall was also in attendance...
PA Mike Tindall during day one of Royal Ascot.PA
as was her husband Mike Tindall
PA Lisa Hogan during the presentations after Kizlyar won the Ascot Stakes during day one of Royal Ascot.PA
Lisa Hogan, known for Clarkson's Farm, also put in an appearance

The enclosures at Royal Ascot uphold their own distinguished dress codes, resulting in a colourful variety of outfits on day one.

NEIL HALL/EPA/Shutterstock A couple attends the first day of Royal Ascot.NEIL HALL/EPA/Shutterstock
NEIL HALL/EPA/Shutterstock A woman with a parasol the first day of Royal Ascot.NEIL HALL/EPA/Shutterstock
NEIL HALL/EPA/Shutterstock Two women chat with champagne glasses on the first day of Royal Ascot.NEIL HALL/EPA/Shutterstock
NEIL HALL/EPA/Shutterstock Race-goers attend the first day of Royal Ascot.NEIL HALL/EPA/Shutterstock
PA Two women in red and peach dresses and hats on a bench on the first day of Royal Ascot.PA
NEIL HALL/EPA/Shutterstock Race-goers attend the first day of Royal Ascot.NEIL HALL/EPA/Shutterstock
NEIL HALL/EPA/Shutterstock Race-goers attend the first day of Royal Ascot.NEIL HALL/EPA/Shutterstock
NEIL HALL/EPA/Shutterstock A woman cheers on her horse on the first day of Royal Ascot.NEIL HALL/EPA/Shutterstock
NEIL HALL/EPA/Shutterstock Three ladies huddle together on the first day of Royal Ascot.NEIL HALL/EPA/Shutterstock
NEIL HALL/EPA/Shutterstock Two women watch a race on the first day of Royal Ascot.NEIL HALL/EPA/Shutterstock
NEIL HALL/EPA/Shutterstock Race-goers attend the first day of Royal Ascot.NEIL HALL/EPA/Shutterstock
PA A woman cheers on her horse on the first day of Royal Ascot.PA