Kimberley Durrant, the director of the governments London office, took part in the National Service of Remembrance at the Cenotaph in the United Kingdom capital.
Prince Charles performed the traditional wreath-laying ceremony at the Cenotaph war memorial on behalf of his royal mother, followed by the Duke of Cambridge and the Duke of Sussex.
The four were reunited in public for the first time since the comments at the Festival of Remembrance on Saturday night.
People have filled the streets of London to pay their respects to those who have died in wars.
Elsewhere, silences were observed across the nation to mark Remembrance Sunday as towns and cities carried out their own commemoration.
Boris Johnson, Jo Swinson, Jeremy Corbyn and Ian Blackford also laid wreaths.
An equerry laid a wreath on behalf of the Duke of Edinburgh who was not present at the ceremony for the second year in a row after having retired from royal duties in 2017. The Queen watched from a nearby balcony overlooking the memorial, which had been unveiled by her grandfather, George V, when in 1919 he decreed the first two-minutes' silence to be observed at 11am to mark the anniversary of the signing of the Armistice.
Foreign Secretary Dominic Raab and Home Secretary Priti Patel laid wreaths on behalf of the intelligence services.
Senior members of the royal family were present alongside military leaders, faith community leaders and representatives from Commonwealth nations.
After wreaths are laid, the Bishop of London, Dame Sarah Mullally, will lead a service of remembrance which will end with trumpeters of the Royal Air Force sounding Rouse (Reveille).
The Taoiseach has attended the Royal British Legion's Remembrance Day ceremony in Enniskillen, Co Fermanagh.
David Burt, the Premier, said: The recognition of the courageous service of Bermudian men and women in the World Wars is a much welcomed addition to the London Service of Remembrance..