Kate looked dazzling in a summer pink dress by Alexander McQueen, protecting herself from the sun with a matching hat by Juliette Botterill. Prince William was running with a black jacket, red tie and gray pants, complementing his appearance with a brown cane. The queen, photographed walking in front of the royal couple, dressed in a pastel blue dress by Stuart Parvin and a hat by Rachel Trevor Morgan. Royal Richard Palmer correspondent said: "The duke, accompanied by the Duchess of Cambridge, who wears Alexander McQueen and a hat by Juliette Botterill, joined the queen and other members of the royal family at a garden party from Buckingham Palace, the queen is in Stuart, Parvin and a hat by Rachel Trevor Morgan. "
Around 8,000 people attend the annual Queen's Party in the Buckingham Garden.
Regarding the dress code, men wear morning suits or lounge dresses, while women wear day dresses, usually combined with hats or fascination.
It is recommended that guests arrive on foot or use public transport when arriving at the place.
Entrances to the garden opened at 2:30 pm yesterday, with guests arriving at Hyde Park Corner and Grosvenor Gate at Lower Grosvenor Place, while the main entrance to Buckingham Palace opened at 3 pm.
The Queen will receive more than 30,000 on the grounds of Buckingham Palace and the Palace of Holyroodhouse this summer.
Each year around 27,000 cups of tea, 20,000 sandwiches and 20,000 slices of cake are consumed at royal garden parties.
The Queen hosts up to three parties in the garden at Buckingham Palace each summer.
The first party was held on May 15 and the following will be held on May 21 and 29, which will also be held at Buckingham Palace.
The last will take place on July 3 at the Palace of Holyroodhouse.
The queen will be represented by her son, Prince Charles, at the Garden Party.