Princess Diana‘s brother Earl Spencer has unveiled a stunning photograph of his mother Frances Shand Kydd – and fans have gone wild for the family resemblance to the late royal.

Charles Spencer, 60, who lives at Althorp House in Northamptonshire, took to Instagram on Monday to share a picture of his late mother ‘looking rather glam’ as he remembered ‘happier times’ on the 20th anniversary of her death.

The black-and-white image shows Frances, who passed away in 2004 at her home in Scotland, posing on what appears to be a beach, while sporting a stylish pinstripe top and headscarf.

Charles captioned the photo: ‘Remembering my mother, who died 20 years ago today, aged 68. She had a wretched final few years, health wise, and I prefer to think of her in happier times; here, looking rather glam, in the ‘60s.’

Royal fans were stunned by the picture, with many saying Frances appeared the double of the late Princess.

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Charles Spencer , 60, who lives at Althorp House in Northamptonshire, took to Instagram on Monday to share a photo (pictured) of his late mother ‘looking rather glam’ as he remembered ‘happier times’ on the 20th anniversary of her death

Charles captioned the photo: ‘Remembering my mother, who died 20 years ago today, aged 68. She had a wretched final few years, health wise, and I prefer to think of her in happier times; here, looking rather glam, in the ‘60s.’

One person wrote: ‘You can see where Diana got her beauty.’ Another said: ‘Very glam indeed and Diana so very like her in this beautiful photo.’

A third added: ‘Wow, Diana looked just like her.’ A fourth wrote: ‘Gosh, I can see Diana in her beautiful eyes.

A fifth person wrote in the comment section of the post: ‘I see where Princess Diana got her beauty from.’

Frances, then 18, and the 8th Earl Spencer ‘Johnnie’, 30, married in 1954 before divorcing in 1969.

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Royal fans were stunned by the picture, with many saying Frances appeared the double of the late Princess (pictured)

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Reaction: One person wrote: ‘You can see where Diana got her beauty.’ Another said: ‘Very glam indeed and Diana so very like her in this beautiful photo.’

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Princess Diana and Frances Shand Kydd, pictured in 1989, had a complicated relationship

In 1968, Frances lost a custody battle for Diana, Charles and their sisters Jane and Sarah and tried in 1971 to regain custody from Johnnie Spencer, but lost once again.

The mother of Diana went to live with her new husband in Scotland after losing her first custody battle for her children, in which she was dubbed ‘the bolter’.

Diana and her mother had a rocky relationship and weren’t on speaking terms before the royal’s death in 1997.

Frances continued to live a quiet life after Diana’s death and developed Parkinson’s Disease and brain cancer.

She passed away aged 68 on June 3, 2004 at her home in Scotland. Her funeral on June 10 was attended by her grandsons Prince William and Prince Harry.