Elsewhere, the duchess opened up about her investment in the company, telling Instyle: “I am so proud to invest in [Kadi] as a friend and as a female founder.

“Kadi has a mastery of hair health, and her Highbrow Hippie collection is a perfect reflection of that.”

At the event, Meghan appeared to be in a “joyful mood” according to a source.

They told People: “She was dancing and celebrating with her friends.”

For her outfit, Meghan opted for a black wool strapless top by Khaite (£660) which featured a sweetheart neckline, a pair of black wool-blend trousers by the same brand (£1,310) and her black Talk To Me 105 heeled sandals by Aquazurra (£635).

She wore a pair of gold stud earrings, her wedding ring stack, her Lorraine Schwartz emerald cut diamond pinky ring.

The duchess also sported a new gold pendant necklace with her children, Prince Archie and Princess Lilibet’s names on it by Logan Hollowell, her beloved gold Tank Française watch by Cartier (£28,200) and the same brand’s yellow gold Love bracelet (£7,050).