Princess Eugenie and Jack Brooksbank have revealed who will be their bridesmaids and pageboys.
Other royal children are also taking part, including Peter and Autumn Phillips’ daughters and one of Zara Tindall’s.
There will also be celebrity and industry offspring among the group.
Princess Eugenie wedding bridesmaids and pageboys
Prince George and Princess Charlotte
The Duke and Duchess of Cambridge’s eldest two children.
Theodora Williams, six
Pop star Robbie Williams’ daughter Theodora will have starring a role at Princess Eugenie’s royal wedding.
Known as Teddy, the little girl will be among the pageboys and bridesmaids at the celebration in Windsor on Friday.
Robbie and his TV actress wife are said to be protective over their young children, and choose not to show their children’s faces when they post on social media.
They have two other children, Charlton and Colette.
Savannah, seven, and Isla Phillips, six
Peter and Autumn Phillips’ daughters will take part in the wedding. Peter is the eldest grandchild of the Queen and is Princess Anne’s son.
Mia Tindall, four
Mia is the spirited child of Zara, Princess Anne’s daughter, and her husband Mike Tindall. Zara had her second child, another daughter named Lena, three months ago.
Eugenie’s goddaughter and the daughter of Lord Frederick Windsor and his actress wife Sophie Winkleman.
Louis de Givenchy
Six-year-old son of JP Morgan banking executive Olivier de Givenchy and his wife Zoe.
Lady Louise Mountbatten-Windsor, 14, and Viscount Severn, 10
The Queen’s youngest grandchildren, 14-year-old Lady Louise Mountbatten-Windsor, and 10-year-old Viscount Severn, who are the children of the Earl and Countess of Wessex, will take on the role of Special Attendants.
Groom Jack Brooksbank has asked his brother, Thomas Brooksbank, to be his best man, while Eugenie’s older sister Princess Beatrice will be her maid of honour.
Pop star Williams and his wife and fellow X-Factor judge Ayda Williams have been friends of Eugenie and her sister Beatrice for years.
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.
Princess Eugenie was spotted today just days before the wedding in a blue dress.
The royal, who lives in Kensington Palace, looked slim in the number, which was nipped in at the waist.
She wore patent black wedges with a high heel and had a navy bag draped over her shoulder.
Princess Eugenie: Five facts about Prince Andrew and Sarah Ferguson’s youngest daughter
Her full title is Princess Eugenie Victoria Helena of York. She is the Queen’s sixth grandchild and is currently ninth in the line of succession.
Eugenie started her education at Winkfield Montessori before heading to Upton House School and Coworth Park School.
She then attended St.George’s School in Windsor before completing her A levels in Art, English Literature, and History of Art at Marlborough College.
To undertake her Bachelors degree in English Literature, History of Art and Politics, Eugenie attended Newcastle University.
In 2013, Eugenie moved to New York City to work for online auction firm Paddle8 as a benefit auctions manager.
She returned to London in 2015 to work for Hauser & Wirth art gallery as an associate director, gaining a promotion to be a director in 2017.
Princess Eugenie joined Instagram in March this year, the first royal to officially do so. Other members of the Royal Family have accounts run by the palaces.
She has 281,000 followers, but is only following 19 accounts, including close friend Ellie Goulding, her mother, and Queen Rania of Jordan.
Eugenie mixes in strictly A List circles, and is friends with celebrities and the cream of British society.
Close girlfriends include Cressida Bonas and Chelsy Davy, both former flames of Prince Harry.
Ellie Goulding, Cara Delevinge, Jack Whitehall, Jimmy Carr, and James Blunt are also known to be friendly with the Princess.