Joining Princess Charlotte as bridesmaid will be popstar Robbie Williams' six-year-old daughter, Theodora Williams.
Savannah is the 7-year-old daughter of Autumn and Peter Philips (the daughter-in-law and son, respectively, of Princess Anne).
She is Theodora Williams, six, daughter of the singer Robbie Williams and his actress wife Ayda Field. Some even reminisce about the sunny afternoon in 2011 when Prince William married Kate Middleton, whose grace stirred memories of his mother, the late Princess Diana.
More than 800 guests will gather in the 15th-century Gothic chapel, five months after the Duke and Duchess of Sussex staged their star-studded nuptials in the same venue.
The visit was arranged before Eugenie set a date for her wedding, and the Duchess of Cornwall doesn't want to let down the children who have been hoping to meet her.
Earlier this week, Eugenie posted a photo on Instagram of her and Beatrice as bridesmaids with the caption #tbt sisterly love.
Queen Elizabeth's youngest grandchildren, Lady Louise Mountbatten-Windsor, 14, and Viscount Severn, 10, will serve as "special attendants".
Will you be watching Princess Eugenie's wedding? In a past interview with the Daily Mail, he said that his future dream is to open a line of pubs.
(AAP) The wedding is being held at Windsor Castle.
It's never ending for the royals!
The carriage will process through the grounds of Windsor Castle, departing via Castle Hill to proceed along part of the High Street before returning to the Castle via Cambridge Gate.
For Britain is still gaga over Markle, the glamorous USA actress who married the queen's grandson in a Windsor wedding watchedaround the world in May.