British Royal Family

Princess Diana glows in unseen candid photo shared by her best friend

This is the Princess of Wales as her friends remember her.

By Bettina Tyrrell

Princess Diana of Wales was the People's Princess, but to her close circle, she was a dear friend providing immense support and endless joy.

So on the 21st anniversary of Diana's death, one of her closest friends, Rosa Monckton remembers the princess she knew with a rare and presumably unseen photo of the late royal.

Diana and Rosa Monckton met through a mutual friend.
Diana and Rosa Monckton met through a mutual friend.

Monckton took to Twitter last week to share a candid snap of Princess Diana.

"Diana as I remember her. Not enough is written about her sense of fun and zest for life. Friend and wonderful godmother to Domenica. RIP," Monckton tweeted, sharing a photo of a laughing Diana in sweatpants and sweatshirt in what appears to be a plane.

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Monckton was a close friend and confidante to the late Princess of Wales. Diana was also the godmother to Monckton's daughter, Domenica, who was born with Down syndrome in 1995.

Diana would provide the ultimate support to Monckton and her daughter, attending medical appointments and always remaining by their sides.

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Rosa Monckton is an English business woman and charity campaigner.
Rosa Monckton is an English business woman and charity campaigner.

Speaking to PEOPLE in 2016, Monckton said, "[Diana] said, 'Believe in her, love her and I'll be there every step of the way.' She already had that vision of what Domenica could become, which I simply couldn't see."

Monckton with Prince Charles.
Monckton with Prince Charles.

It's believed Monckton, a British jewellery executive and Diana met through a mutual friend.

Their bond was so close that Diana went on to help Monckton through the tragic loss of her child.

During a Sunday Night interview with Melissa Doyle, Monckton revealed the Princess helped her bury her stillborn daughter on the grounds of Kensington Palace.

Monckton says Diana had a "zest for life".
Monckton says Diana had a "zest for life".

Monckton, inspired by her daughter Domenica, set up the charity Team Domenica to help young adults with learning disabilities gain experience to break into the workplace.

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