The 34-year-old royal changed out of the chic green frock she wore while attending the marriage service of Hugh Grosvenor, 33, and Olivia Henson, 31, at Chester Cathedral.
Mother-of-two Eugenie, who is the daughter of Prince Andrew and Sarah Ferguson, was among the 400 guests at the nuptial do dubbed the ‘society wedding of the year’.
Following the marriage service, guests were seen making their way to the lavish reception at the Grosvenor family seat, Eaton Hall, just outside Chester.
The newlyweds have kept details of the party under wraps, though it has been reported that guests tucked into lemon cake during the bash.
Other attendees included Prince William, 41, who was one of the groom’s ushers, Charlie van Straubenzee and his wife Daisy, whose daughter Clover is believed to have Prince Harry as her godfather, and William Van Cutsem, among others.
Princess Eugenie is pictured boarding one of the coaches taking guests to the evening party following the wedding of The Duke of Westminster to Olivia Henson at Chester Cathedral
The 34-year-old royal (pictured) changed into a black maxi dress for the evening party. Her frock boasted a daring thigh-high split
Mother-of-two Eugenie appeared to be attending the event solo, without her husband Jack Brooksbank and their two children August, three, and Ernest, four
NEWLYWEDS: Hugh Grosvenor, Duke of Westminster and Olivia Grosvenor, Duchess of Westminster, wave to well-wishers following their wedding at Chester Cathedral
WEDDING GUESTS: Charlie Van Straubenzee, Daisy Jenks and Lucy Lanigan-O’Keeffe(pictured L-R) queue to board the coach
Eugenie looked glamorous in a black maxi dress, featuring short sleeves and colourful floral embroidery down its front as she made her way to the post-wedding event.
She paired the frock with high-heeled gold sandals and a coordinating gold clutch bag.
Eugenie, who attended Marlborough College like the bride, wore her chestnut locks in a chic part-up, part-down do, leaving some of her tresses to flow past her shoulders.
The royal – who appeared to be attending the event solo, without her husband Jack Brooksbank and their two children August, three, and Ernest, four – finished her ensemble with a classic make-up look.
Opting for a natural, matte base and pink lip, she emphasised her eyes, wearing black eyeliner and smoky dark eyeshadow.
Her daring party outfit was quite a departure from the olive pleated dress she sported during the cathedral service.
Eugenie paired the green midi dress with a cream fascinator, a dainty necklace and gold hoop earrings.
Thousands of well-wishers gathered outside the cathedral to see the high profile couple and their guests, after months of anticipation following the couple’s engagement announcement.
An usher (left) carries out his wedding duties, directing guests Lucy Lanigan-O’Keeffe and her husband Thomas Van Straubenzee as they make their way to the evening party
Wedding guests were seen wearing elaborate ensembles as they celebrated the do, which has been dubbed ‘the society wedding of the year’
Charlie Van Straubenzee (pictured with his wife Daisy Jenks ) is a friend of Prince William and Prince Harry
The wedding ceremony was held at Chester Cathedral, and was followed by a party at Hugh Grosvenor’ family seat Eaton Hall (guests are seen boarding a coach to the reception)
HIGH SPIRITS: Guests are seen smiling and chatting ahead of the evening party (pictured L-R: Thomas Van Straubenzee, Daisy Jenks, Lucy Lanigan-O’Keeffe, Charlie Van Straubenzee)
Thomas Van Straubenzee (pictured, left) and his brother Charlie Van Straubenzee (pictured, right) are both believed to be close friends with Princes William and Harry (seen with their wives Lucy Lanigan-O’Keeffe and Daisy Jenks)
Princess Eugenie wore a different outfit for the ceremony (pictured), opting for a midi length olive-coloured frock and cream fascinator
The Duke (reportedly known to his friends as ‘Hughie’) proposed to Olivia in 2023 at his family seat, Eaton Hall in Cheshire, after they had been dating for two years.
The aristocrat released a statement about the happy news, saying: ‘The Duke of Westminster and Miss Olivia Henson are delighted to announce they are engaged to be married.
‘The couple, who have been together for two years, recently became engaged at the Duke’s family home at Eaton Hall in Cheshire. Members of both their families are absolutely delighted with the news.
‘Hugh Grosvenor, The Duke of Westminster, is Grosvenor’s Chair as well as Chair of the Westminster Foundation. Miss Henson works for Belazu, a B-Corp certified food company based in London.’
Olivia, 31, who attended Marlborough College and completed a Hispanic Studies and Italian degree at Trinity College in Dublin, was reported by Tatler to have left her role at Belazu to focus on her new ‘era’.
Olivia descends from the Hoare banking family as well as the Marquesses of Bristol and the Dukes of Rutland, according to the Telegraph. The outlet also says her uncle is the Grand Master of Scottish Freemasons and her father is stockbroker Rupert Henson.