In the sweet shot, taken by photographer Alex Bramall, George and Charlotte join their fellow bridal party members, cousins cousins: 4-year-old Mia Tindall; Savannah, 7, and Isla Phillips, 6; and 5-year old Maud Windsor (who attends Thomas's Battersea with Prince George).
Britain's Princess Eugenie married tequila brand ambassador Jack Brooksbank in a star-studded royal wedding Friday at St. George's Chapel on the grounds of Windsor Castle.
There is also a black and white image of the couple kissing during their carriage procession.
A fourth image reveals the smiling newlyweds in their evening wear ahead of a private dinner at Royal Lodge in Windsor Great Park on Friday evening.
For her evening wedding reception in April 2011, Kate Middleton swapped out her iconic Alexander McQueen ceremony dress for another McQueen design: a strapless satin gown with a sweetheart neckline and embellished belt.
But the official photos seem to indicate she has an easy relationship with her ex Prince Andrew with some fans saying they looked so relaxed with each other on the day it could even be a sign they are getting back together.
Competitors BBC and Sky News showed snippets of the wedding and the crowds thronging the streets of Windsor outside the castle. There was an empty seat during Prince Harry's wedding because no one can sit in front of Her Majesty The Queen.
Princess Charlotte, 3, daughter of Prince William and his wife Kate, was a bridesmaid, and her brother, Prince George, 5, a page boy.
Mr Posen was inspired by the beauty of Windsor and the surrounding countryside.
The silk for the gown came from the British mill Biddle Sawyer Silk, the palace said.
They were passed down to Queen Victoria in 1837, and eventually to Queen Elizabeth in 1952, who has worn them both as brooches and as hair slides.
Saudi slams 'baseless lies' over Khashoggi's disappearance
He has also halted discussions about a $1bn ($NZ1.54b) investment by the Saudi sovereign wealth fund into Virgin's space ventures. Separately, a video has emerged of men described as Saudi intelligence officers entering and leaving Turkey.