Tiffany Trump's husband walks in royal procession with the Princess of Wales

Find out who stayed with their baby boy while the new parents were at Windsor Castle

SEPTEMBER 17, 2025 5:42 PM EDTSEP 17, 2025, 5:42 PM EDT

Tiffany Trump and her husband Michael Boulos were among the state banquet attendees at Windsor Castle. The President of the United States' younger daughter and his son-in-law participated in the royal procession on Wednesday evening.

WINDSOR, ENGLAND - SEPTEMBER 17: Catherine, Princess of Wales, Michael Boulos, Princess Anne, Princess Royal and Prince Richard, Duke of Gloucester attend the State visit by the President of the United States of America at Windsor Castle on September 17, 2025 in Windsor, England. President Trump is in England from Sept. 16-18 on his second UK state visit, with the previous one taking place in 2019 during his first presidential term. (Photo by Anna Moneymaker/Getty Images)

Michael walked into the state banquet, held in St George’s Hall, with the Princess of Wales, while Tiffany entered with Apple CEO Tim Cook and Prince William with Paula Reynolds, Chair of National Grid plc.

WINDSOR, ENGLAND - SEPTEMBER 17: Michael Boulos, Catherine, Princess of Wales, U.S. President Donald Trump, and King Charles III attend the State Banquet hosted by King Charles III and members of the Royal Family at Windsor Castle during the state visit by the President of the United States of America on September 17, 2025 in Windsor, England. President Trump is in England from Sept. 16-18 on his second UK state visit, with the previous one taking place in 2019 during his first presidential term. (Photo by Doug Mills-Pool/Getty Images)

Catherine was pictured talking and clinking her drink with the president's son-in-law during the dinner. President Trump has previously described his daughter Tiffany's husband as "a very exceptional young guy."

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The Princess, who was seated between Michael and President Trump, looked regal in a couture gown by British designer Phillipa Lepley with a full-length, hand-embroidered gold Chantilly lace evening coat over a silk crepe gown. Catherine completed her stunning look with the Lover's Knot Tiara and earrings that belonged to the late Queen Elizabeth.

WINDSOR, ENGLAND - SEPTEMBER 17: Britain's William, Prince of Wales and Catherine, Princess of Wales walk to attend the State Banquet at Windsor Castle during the State visit by the President of the United States of America on September 17, 2025 in Windsor, England. President Trump is in England from Sept. 16-18 on his second UK state visit, with the previous one taking place in 2019 during his first presidential term. (Photo by Phil Noble - WPA Pool/Getty Images)

New mom Tiffany was dressed in a navy off-the-shoulder gown for the royal affair. In his speech at the dinner, President Trump said, "This is truly one of the highest honors of my life."

The menu for the dinner included Hampshire Watercress Panna Cotta with Parmesan Shortbread and Quail Egg Salad; Organic Norfolk Chicken Ballotine wrapped in Courgettes, with a Thyme and Savoury Infused Jus; and Vanilla Ice Cream Bombe with Kentish Raspberry Sorbet interior with lightly poached Victoria Plums.

WINDSOR, ENGLAND - SEPTEMBER 17: Tiffany Trump and Tim Cook, Apple CEO and Harriet Stephens (R) attend the State visit by the President of the United States of America at Windsor Castle on September 17, 2025 in Windsor, England. President Trump is in England from Sept. 16-18 on his second UK state visit, with the previous one taking place in 2019 during his first presidential term. (Photo by Anna Moneymaker/Getty Images)

Tiffany and Michael flew with her dad and stepmom to the the UK on Tuesday on board Air Force One. The 31 year old is the president's fourth child, and the only child he shares with his ex-wife Marla Maples.

Proud mom Marla shared footage of her daughter Tiffany at the dinner on her Instagram Story, writing: "My girl and Michael at Windsor Castle." She added, "And I get to be with Alexander 😁."

WINDSOR, ENGLAND - SEPTEMBER 17: Britain's Catherine, Princess of Wales speaks with Michael Boulos as they attend a State Banquet at Windsor Castle for the State visit by the President of the United States of America on September 17, 2025 in Windsor, England. President Trump is in England from Sept. 16-18 on his second UK state visit, with the previous one taking place in 2019 during his first presidential term. (Photo by Phil Noble - WPA Pool/Getty Images)

This year has been an exciting one for the first daughter and her husband. Tiffany and Michael, who wed in 2022, welcomed their first child, son Alexander Trump Boulos, back in May. The baby is President Trump's 11th grandchild.