Princess Diana was never too far from her darling boys Prince William and Prince Harry while they were growing up, and on her eldest son's Christening Day she used an age-old technique to soothe the young Prince.
The Princess of Wales was caught on camera putting her finger in the little one's mouth, no doubt to soothe his gums during a period of teething.
WATCH: Prince William and Princess Diana can't contain their giggles during half-term trip
The NHS website recommends teething rings and gels for babies who are teething, and putting fingers into a baby's mouth could raise germ concerns for some parents.
William was dressed in the now-retired Spitalfields silk and Honiton lace christening gown and his mother looked radiant in a pink floral dress with matching hat.
Diana's sweet moment with her son was caught on camera
The Prince's father, Charles, could be seen in the photograph, looking slightly concerned in the background. Surely a big day for the family – the Christening of their firstborn.
As the boys grew up, Diana showcased her parenting skills further in front of the watchful eye of the media.
The Princess had a close bond with her sons
In an unearthed video, William was seen sulking when his mother ended playtime and told him it was time to go in from the garden at their home, Kensington Palace.
The Duke glared at his mother and stood firmly rooted to the spot, but luckily Diana knew exactly how to handle it. The Princess could be heard using reverse psychology, and she said: "All right Harry will have all the fun then," as she turned and walked away with a young Prince Harry in her arms.
Princess Diana lives on in the memory of her children
Diana got exactly what she wanted, and a young William yelled: "No no no," as he ran by his mother's side.
Brothers Harry and William are keen to keep Diana's memory alive and in Harry's recent Netflix docuseries, Harry & Meghan, it was revealed that his son Archie even has a photograph of his late grandmother in his bedroom. In a sweet clip, Meghan was seen showing a young Archie the black-and-white photo of 'Grandma Diana'.
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