Rounding out the bridal party are six-year-olds Maud Windsor, whose parents are Lord and Lady Frederick Windsor, and Teddy Williams, daughter of singer Robbie Williams and Ayda Field.
Eugenie was determined to make sure her lavish wedding bash was bigger and better than Meghan's May nuptials.
Sarah Ferguson and Prince Andrew, together with their daughter Princess Beatrice, leave Windsor Castle a day ahead of their daughter Princess Eugenie's wedding to Jack Brooksbank in Windsor, Britain, October 11, 2018.
Louis de Givenchy - the six-year-old son of JP Morgan banking executive Olivier de Givenchy and his wife Zoe - will join Prince George as a pageboy.
Two other members of the royal family will serve as Special Attendants: the Earl and Countess of Wessex's daughter, Lady Louise, 14, and her brother James, Viscount Severn, ten.
Her elder sister Princess Beatrice, the maid of honor, will also deliver one of the readings, an extract from "The Great Gatsby".
"She continued: "You know Dad loves you, you know he's been there for you more than anyone, so don't let this public monster and misperception that he's like a sperm donor dad trying to be involved all of a sudden".
Dooley also admitted that he never watched the royal wedding, but says he was in London to "support" her on the big day, despite not being invited to the celebration.
Guests will be presented with copies of the Order of Service as they arrive at Windsor Castle.
The queen, who has only just returned from an extended summer holiday in Scotland, plans to host a champagne luncheon for the newlyweds shortly after the ceremony, and a second reception will be held that night.