Members of the royal family attend events across the country when platinum jubilee celebrations arrive on the third day, but the queen will not be attending the Epsom Derby.
Some 22,000 people are expected to attend an open-air concert outside Buckingham Palace with Diana Ross, Italian opera star Andrea Bocelli and James Bond composer Hans Zimmer. Millions more will be watching from home.
Bonnie Tyler, Alicia Keys and 2022 Eurovision runner-up Sam Ryder will also perform at the two-and-a-half-hour event called Platinum Party at the Palace, and there will be a specially recorded appearance by Elton John.
The Prince of Wales and his eldest son, Prince William, will pay tribute to the Queen, who is not expected to attend in person, but will be seen on television from Windsor Castle.
Buckingham Palace also previously announced that the 96-year-old monarch had retired from the Epsom Derby and would be officially represented by his daughter, Princess Anne. The queen is expected to watch the event on television.
The palace had previously said it would have to consider what retirement events it would feel able to attend after experiencing mobility issues in recent months. He canceled an appearance at the Thanksgiving service on Friday after experiencing discomfort during Thursday’s events.
The Queen made two public appearances in front of huge crowds from the balcony of Buckingham Palace on Thursday and attended a lighthouse lighting ceremony at Windsor Castle.
His absence from Epsom is only the fourth time the horse racing enthusiast, rider and breeder has been lost to the Derby since 1952. Covid’s restrictions prevented him from attending in 2020.
The Duke and Duchess of Cambridge will visit rehearsals on Saturday for a separate jubilee concert at Cardiff Castle.
Prince Edward, the Queen’s youngest son, and his wife Sophie will be in Northern Ireland, where they are expected to meet children taking part in multicultural street performances and people who will share their personal memories of meeting the Queen.
The jubilee celebrations began on Thursday with the color of the troops to commemorate the official birthday of the sovereign.
Friday’s focus was a Thanksgiving service led by members of the royal family, and attended by the Duke and Duchess of Sussex at St Paul’s Cathedral.
The third day of celebrations also marks the first birthday of Harry and Meghan’s daughter, Lilibet, who was given the nickname of the queen’s family.
On Sunday, more than 10 million people will take part in the Big Jubilee Lunch picnics and there will be a public musical and creative event with 10,000 people.
The BBC will broadcast Platinum Party at the Palace live on radio, television and online from 1900 BST.