The Queen's great-grandchildren George, Charlotte and Mia attend funeral - live updates & photos
The royal family gathered together in Westminster Abbey on the morning of Tuesday 19 September in honour of Queen Elizabeth II's state funeral.
MORE: The Queen's grandchildren and great-grandchildren in pictures
Accompanying their parents, the Prince and Princess of Wales, were the couple's oldest two children, Prince George, nine, and Princess Charlotte, seven. Prince George and Princess Charlotte walked beside their mother Kate as they entered the Abbey together followed by other members of the royal family.
WATCH: Princess Kate arrives at Westminster Abbey with her children
George was dressed in a smart navy suit with a black tie and Charlotte wore a knee-length black coat, black shoes and a black hat, similar to the of her mother Princess Kate.
At the committal service at Windsor Castle's St. George's Chapel in the afternoon, George and Charlotte were joined by fellow royal children, Mia Tindall, daughter of Zara and Mike Tindall, and Savannah and Isla Phillips, daughters of Peter Phillips.
Savannah, age 11, Isla, 10, and Mia, eight, all dressed in black with matching black headbands as they paid their respects to their late great-grandmother the Queen.
See photos of the Queen's great-grandchildren at her funeral below...
Zara, Mike and Mia Tindall sit with Savannah and Isla Phillips during the Windsor service for the Queen.
The late Queen's great-grandchildren Savannah, Isla and Mia attend the service at Windsor.
Zara Tindall arrives at the Windsor service with her daughter Mia Tindall (left).
George and Charlotte arrive at the Windsor committal service with their parents.
Prince George and Princess Charlotte attend the transfer of the Queen's coffin at London's Wellington Arch for the final trip to Windsor.
The royal children stand together at Wellington Arch with their parents.
Prince George and his sister Princess Charlotte in the car with their mother and Queen Consort Camilla after the funeral of Queen Elizabeth II.
The Princess of Wales and her children leave the Queen's funeral service.
Princess Charlotte dressed in a smart black coat with a matching hat for the service. The young royal also wore a diamond brooch in the shape of a horseshoe.
The young Princess appears to cry at the funeral of her great-grandmother the Queen.
Prince George stands beside his mother and father during the funeral service.
Princess Charlotte could be seen looking around from under the brim of her hat while the mourners sang The Lord is my Shepherd.
Prince George glances back as he walks with his mother.
The children were seated next to their parents in the Abbey for the poignant service paying tribute to the late monarch's life.
George and Charlotte stand outside Westminster Abbey with their mother, Princess Kate, and the Countess of Wessex and Duchess of Sussex.
The Princess placed a reassuring hand on her daughter's back as they arrived at the Abbey.
Prince George looked up at his mother before entering the Abbey. Princess Charlotte was seen holding Princess Kate's hand before the service.
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The children entered the Abbey together along with other members of the royal family.
George and Charlotte travelled with their mother and the Queen Consort to Westminster Abbey.
Prince George looks out of the window as he travels to his great-grandmother's funeral.
MORE: Prince George comforted by great aunt Sophie Wessex during Queen's funeral
Earlier in the morning, the Queen's coffin was taken in a grand military procession from the Palace of Westminster to Westminster Abbey for the funeral at 11am. King Charles III walked in procession behind the coffin as it was carried through the Gothic church by the military bearer party.
Following the funeral, a procession set off at 12.15pm to Wellington Arch, Hyde Park Corner.
The state hearse and royal family then travelled to St George’s Chapel at Windsor Castle via the Long Walk, after which a televised committal service will take place in St George's Chapel. A private burial service will then take place at 7.30pm to allow members of the royal family to mourn in private and say their final goodbyes.
The Queen's final resting place will be the King George VI memorial chapel.
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