Multiple members of the Royal Family have gathered at Westminster Abbey for the annual Commonwealth Day Service. The subject of this year's Commonwealth Day theme, Together We Thrive, honours the “enduring spirit of the Commonwealth family”.

Catherine, Princess of Wales, joined Britain’s King Charles III and other members of the royal family in celebrating Commonwealth Day on Monday, attending an event at London’s Westminster Abbey filled with performances from countries across the association.

King Charles hailed the work of the Commonwealth in bringing countries together as he and Britain's senior royals gathered at London's Westminster Abbey on Monday for annual celebrations for the international organisation he leads.

Kate Middleton paid a subtle tribute to Princess Diana and Queen Elizabeth II with her fashion as she attended the Commonwealth Day celebrations in London March 10.

The Princess of Wales joined members of the royal family at Westminster Abbey on Monday, March 10, to celebrate Commonwealth Day. As part of the service, Kate and Prince William processed behind King Charles and Queen Camilla. They were followed by Anne, Princess Royal, as well as the Duke and Duchess of Gloucester.

Kate to attend Westminster Abbey service as Princess of Wales gradually returns to public duties - A 2,000-strong congregation will gather for the event at Westminster Abbey on Monday afternoon

Kate Middleton is set to attend the Commonwealth Day Service, a key event for the royal family. All about the Princess of Wales' RSVP next week.

Britain’s King Charles III leaves after attending the annual Commonwealth Day Service at Westminster Abbey in London, Monday, March 10, 2025.(AP Photo/Kin Cheung) Joan Armatrading performs during the annual Commonwealth Day Service of Celebration at Westminster Abbey,

Demonstrators gather with dinosaur mascot Chuck the Rex during a protest before the start of the annual Commonwealth Day Service at Westminster Abbey in London, Monday, March 10, 2025.(AP Photo/Alasta

Britain's King Charles III and Queen Camilla arrive to attend the annual Commonwealth Day Service as protesters hold placards at Westminster Abbey in London, Monday, March 10, 2025.