Mark-Francis Vandelli

Mark-Francis Vandelli is an English television personality who is best known for his role on the E4 reality television series Made in Chelsea.

Vandelli was born on 14 October 1989 in London, England, and is of Italian, English, and Russian descent. He is the only child of Russian princess and model Diane Boulting-Casserley Vandelli and Italian businessman Marzio Vandelli. His parents split when he was a baby. Raised on the historic Cheyne Walk in Chelsea, London, Vandelli grew up trilingual, speaking English, Italian, and French from an early age. He was educated at Hill House School and St Paul's School, and went on to study Art History at University College London.

In April 2011, Vandelli joined Made in Chelsea as one of the original cast members. He later joined the third series of The Jump in January 2016, but withdrew from the show on 9 February due to an injury. In 2017, he starred in the Made in Chelsea spin-off show Mark-Francis' Big Night Out. He subsequently joined series 12 of Celebs Go Dating on E4 in 2023. In 2026, Vandelli joined the cast of the reality television series Ladies of London: The New Reign, which premiered on Bravo on March 5, 2026.

In addition to his television career, Vandelli works in the design field as an official ambassador and tastemaker for the auction house Christie's. He hosts a digital series for Christie's titled "Decorative Delights with Mark-Francis Vandelli," where he showcases premium ceramics, silverware, furniture, and historical jewelry. In 2024, Vandelli founded Roubier, a luxury fine jewelry brand with a focus on classical European designs and rare gemstones.

Vandelli resides in Knightsbridge, London, in a townhouse formerly inhabited by Oscar Wilde. He is openly gay. He is also the godfather to the son of Lady Emma Thynn, the Marchioness of Bath.