Crowds of mourners have flocked to London, Windsor and royal sites throughout the UK on the national bank holiday, with the service set to draw millions of TV viewers across the globe.
All public viewing areas for the funeral procession in the capital were full by just after 9am.
The royal family, including Prince George and Princess Charlotte, will be among the 2,000 people gathered at Westminster Abbey to remember the late monarch on Monday morning, before a committal service at Windsor Castle.
9. Guests arriving for the State Funeral of Queen Elizabeth II
Guests arriving for the State Funeral of Queen Elizabeth II, held at Westminster Abbey, London. Picture date: Monday September 19, 2022. Photo: Gareth Cattermole
10. Former Prime Minister Boris Johnson and wife Carrie arrives for the State Funeral of Queen Elizabeth II
Former Prime Minister Boris Johnson and wife Carrie arrives for the State Funeral of Queen Elizabeth II, held at Westminster Abbey, London. Picture date: Monday September 19, 2022. Photo: Andrew Milligan
11. Members of the public line the streets ahead of the State Funeral of Queen Elizabeth II
Members of the public line the streets ahead of the State Funeral of Queen Elizabeth II, held at Westminster Abbey, London. Picture date: Monday September 19, 2022. Photo: James Manning
12. US President Joe Biden accompanied by the First Lady Jill Biden
US President Joe Biden accompanied by the First Lady Jill Biden arriving for the State Funeral of Queen Elizabeth II, held at Westminster Abbey, London. Picture date: Monday September 19, 2022. Photo: Gareth Fuller