Queen Elizabeth II braves the rain on a day of double delight for Sheikh Hamdan bin Mohammed at Royal Ascot - in pictures

Frankie Dettori rides Dubai Crown Prince's Raffle Prize to victory on Queen Mary Stakes while Jim Crowley takes Royal Hunt Cup

Britain's Queen Elizabeth II arrives by carriage on Day 2 of the Royal Ascot horse racing meet, in Ascot, west of London. AFP

Britain's Prince Charles, the Prince of Wales, arrives by carriage on Day 2 of the Royal Ascot horse racing meet, in Ascot, west of London. AFP

Frankie Dettori celebrates after he riding Raffle Prize, owned by Sheikh Hamdan bin Mohammed, Crown Prince of Dubai, to victory in the Queen Mary Stakes on Day 2 of Royal Ascot at Ascot Racecourse in Ascot, England. Getty Images

Racegoers talk under an umbrella on day two of Royal Ascot at Ascot Racecourse in Ascot, England. Getty Images

General view during of the Queen's Vase race on Day 2 of Royal Ascot. Reuters

Queen Elizabeth II, Alan Brooke, third Viscount of Brookeborough, Prince Charles, the Prince of Wales and his wife Camilla, Duchess of Cornwall arrive at the Parade Ring on Day 2 of Royal Ascot at Ascot Racecourse. Getty Images

Frankie Dettori celebrates after riding Raffle Prize to victory in The Queen Mary Stakes. Getty Images

Queen Elizabeth II arrives on Day 2 of Royal Ascot at Ascot Racecourse. Getty Images

Frankie Dettori rides Raffle Prize to win The Queen Mary Stakes ahead of John Velazquez on Kimari. Getty Images

Jockey Frankie Detorri celebrates winning the Queen Mary Stakes with Raffle Prize. Press Association

Frankie Dettori celebrates after he rides Raffle Prize to win The Queen Mary Stakes. Getty Images

Atmosphere at Royal Ascot in Ascot, England. Getty Images

Darcey Bussell, left, presents jockey Frankie Dettori with the trophy for winning the Queen Mary Stakes with Raffle Prize. Press Association

Darcey Bussell, left, presents jockey Frankie Dettori with the trophy for winning the Queen Mary Stakes with Raffle Prize. Press Association

Racegoers at Royal Ascotin Ascot, England. Getty Images

Horses run in The Royal Hunt Cup on Day 2 of Royal Ascot at Ascot Racecourse in Ascot, England. Getty Images

Afaak ridden by jockey Jim Crowley and owned by Sheikh Hamdan bin Mohammed, Crown Prince of Dubai, on his way to winning the Royal Hunt Cup during Day 2 of Royal Ascot. Press Association

Racegoers cheer on their horse on day two of the Royal Ascot horse racing meet, in Ascot, west of London. AFP

Racegoers look on as Veracious, ridden by Oisin Murphy, heads to the track for the Duke Of Cambridge Stakes. Press Association

Runners and riders in the Queen's Vase during Day 2 of Royal Ascot at Ascot Racecourse. Press Association

Racegoers shelter from the weather under umbrella. Press Association

Jockey Frankie Dettori and qwner Evelyn de Rothschild celebrate after the Italian won the Prince of Wales's Stakes with Crystal Ocean. Press Association

The Duchess of Cornwall, left, and the Prince Charles, second left, present jockey Frankie Dettori and winning connections with the trophy after winning the Prince of Wales's Stakes with Crystal Ocean. Press Association

Jockey Frankie Dettori celebrates winning the Prince of Wales's Stakes onboard Crystal Ocean. Press Association

Frankie Dettori, riding Raffle Prize, crosses the finish line to win The Queen Mary Stakes. Getty Images

Winning connections celebrate after Daniel Tudhope rides Move Swiftly to win The Duke of Cambridge Stakes. Getty Images

Racegoers watch the proceedings on day two of the Royal Ascot horse racing meet, in Ascot, west of London. AFP

Racegoers during Day 2 of the Royal Ascot meet. AFP

Prince Charles, Prince of Wales, shelters from the rain under an umbrella. Getty Images

Oisin Murphy on Dashing Willoughby celebrates after winning the Queen's Vase race. Reuters

Runners in the Queen's Vase race at Royal Ascot. Reuters

Raffle Prize, ridden by jockey Frankie Dettori, right, on his way to winning the Queen Mary Stakes. Press Association

Oisin Murphy rides Dashing Willoughby to victory in the Queen's Vase race. Getty Images

Two of Sheikh Hamdan bin Mohammed's horses were first past the post on Day 2 of Royal Ascot on Wednesday.

Frankie Dettori guided the Dubai Crown Prince's Raffle Prize to victory in the Group 2 Queen Mary Stakes. The Italian later clinched the day's biggest prize, the Group 1 Prince of Wales's Stakes, atop Michael Stoute's Crystal Ocean.

Charlie Hills saw his concerns over running Afaak on soft ground brushed aside after he went one place better than 12 months ago in the Royal Hunt Cup.

Moved Swiftly, owned by Sheikh Rashid Dalmook Al Maktoum, won the Duke Of Cambridge Stakes.

It was a wet day for racegoers, with Queen Elizabeth II, Prince Charles and other members of the British royal family taking shelter from the rain under umbrellas soon after arriving at the Ascot Racecourse in horse-drawn carriage.

Ahead of the start of Day 3's action on Thursday, take a look at the best photos from the opening day in the picture gallery above. To move on to the next image click on the arrows, or if using a mobile device, simply swipe.