A Government spokesperson said, "This year representatives the inhabited Overseas Territories and of the three Crown Dependencies laid their own wreaths in remembrance of their many contributions in both World Wars and other conflicts".
As Big Ben strikes 11am, a two minutes silence will be observed, with its beginning and end marked by the firing of a gun by the King's Troop Royal Horse Artillery.
Unsurprisingly, all eyes were on Prince William and Prince Harry, as this was their first royal engagement together since Harry's comments in a recent documentary confirmed they are "on different paths at the moment".
On another balcony, Countess Sophie, the Duchess of Sussex and Princess Anne's husband, Vice Admiral Timothy Laurence watched on.
Carrie Symonds (left), the partner of Prime Minister Boris Johnson, and Catherine Swindley, the wife of Commons Speaker Sir Lindsay Hoyle, during the Remembrance Sunday service at the Cenotaph memorial in Whitehall, central London.
Foreign Secretary Dominic Raab and Home Secretary Priti Patel laid wreaths on behalf of the intelligence services.
Hundreds of armed forces personnel will also be present at the occasion, alongside Cabinet ministers, religious leaders and representatives of Commonwealth nations.
David Burt, the Premier, said: The recognition of the fearless service of Bermudian men and women in the World Wars is a much welcomed addition to the London Service of Remembrance.. The Duchess looked to be in good spirits, as she arrived at the prestigious venue, after she had to cancel her attendance at a gala dinner to mark the 200-year anniversary of Prince Albert's birth on Wednesday and had to miss visiting the Field of Remembrance at Westminster Abbey with Harry and Meghan on Thursday, due to a chest infection, Clarence House said.