Princess Beatrice and husband Edoardo pictured with popstar at glitzy film premiere

The Princess of York and Blunt have had a close friendship for many years, and have been photographed together as far back as 2013.

Beatrice's younger sister, Eugenie, is also known to be close with the singer.

The royal couple and Blunt posed at the premiere alongside the singer's wife, Sofia Blunt, and Gabriela Peacock, Beatrice's nutritionist and personal trainer.

Peacock was credited with helping Princess Eugenie and Prince Harry prepare for their 2018 weddings.

For the premiere, Beatrice, 35, looked gorgeous in a black jumper and a navy satin skirt.

She tied her strawberry blonde hair into a ponytail and for footwear donned smart black boots.

Meanwhile, Edoardo, 40, wore a white shirt, with a black jacket and white trainers for the glitzy premiere.

The film "James Blunt: One Brit Wonder" was in cinemas nationwide for December 6 only.

After the screening, Blunt treated the audience to a live performance of his hit songs like You're Beautiful.

On the official website, the film is described as follows: "This is the story of an ageing, British popstar, still fighting for relevance some 17 years after his star momentarily twinkled.

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"No one has a more extraordinary story than James Blunt.

"The soldier turned singer has one of the most inspiring trajectories in the history of music."

As well as Princess Beatrice, Blunt is known to have a close friendship with Princes William and Harry.

The You're Beautiful singer even served in the British Army alongside the Duke of Sussex.