King Charles III and Britain's royal family are celebrating another royal wedding this weekend as Peter Phillips, the son of Princess Anne and nephew of King Charles III, is all set to get married to Harriet Sperling on Saturday, ABC News said. According to the publication, the wedding will take place in Cirencester, a town in England located around two hours from London. The ceremony is expected to be a private affair, with no official guest list being made public.King Charles and senior British royals gathered at a village in south-west England on Saturday to celebrate the wedding of Princess Anne's businessman ‌son, ⁠Peter ⁠Phillips, to nurse Harriet Sperling.Royal Wedding 💍 Bride Harriet Sperling arrives at All Saints Church in Kemble, for her wedding to Peter Phillips, the son of Princess Anne. Peter’s daughters Savannah and Isla and Harriet’s daughter, Georgina, are the bridesmaids. Before the bride arrived, King Charles, Queen… pic.twitter.com/Vb6t03W75U— Chris Ship (@chrisshipitv) June 6, 2026 Anne was joined by her husband, Timothy Laurence, at the private ceremony at All Saints Church in Kemble, near Cirencester, by her brother Charles and ⁠Queen Camilla, ‌as well as other senior royals including Charles’ son ⁠and heir, Prince William, and his wife Kate.Princesses Eugenie and Beatrice, the daughters of Charles' disgraced younger brother Andrew Mountbatten-Windsor, were also in attendance.Phillips, the late Queen Elizabeth II's eldest grandson, ‌is 19th in the line of succession to the British throne. He works ⁠as a sports management executive and does not undertake official royal duties. Sperling is a paediatric nurse.Peter Phillips is the eldest grandchild of the late Queen Elizabeth II and Prince Philip. He is also the father of two daughters. This will be his second marriage. Phillips' first marriage - to Autumn Kelly - ended in divorce in 2021.Harriet Sperling is the mother of a teenage daughter. Earlier this year, she and her daughter were seen joining members of the royal family during the Easter service in April, according to ABC News.Several senior members of the royal family are expected to attend the ceremony. Among those likely to be present are Princess Anne and her husband Vice Admiral Sir Timothy Laurence, along with Peter's sister Zara Tindall and her husband Mike Tindall, as per ABC.King Charles III and Queen Camilla are also among the royal family members who may attend the wedding. Prince Edward, the King's younger brother, and his wife Sophie are also expected to be present.Prince William and Catherine, Princess of Wales, are also likely to attend the family celebration.