Charles Spencer, the brother of Diana, Princess of Wales, shared a never-before-seen photo of the beloved royal as a young girl.

On July 8, Charles shared a childhood photo on Instagram of himself and his sister, the late Princess Diana, playing on a backyard swing set in 1966.

Charles, then two years old, wears puffy blue bloomers and a white t-shirt and stares down at his legs while grasping the wooden swing’s chains. His golden-blond hair echoes the fluffy style he wears six decades later, though the hue has since turned entirely white.

​A five-year-old Diana, wearing a blue-and-white floral-patterned leotard, swings on the set’s red metal bars. Her blond hair is cut in a short bob with straight-across bangs—a cute, age-appropriate mid-century style, decades before her statement-making pixie cut.

Charles and Diana Spencer play on a swing set in the 1966 throwback photo posted by Charles, now 61, on July 8.

Charles, now 62, posted the photo with a note, writing, “Summer moment, 60 years ago.” Despite the short-and-sweet caption, commenters shared more somber sentiments.

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“What seems to be a strong Spencer trait: courage,” one person wrote. “True courage. You both have it.”

A commenter shares their fond memories of the late Princess Diana in response to her brother’s 2026 throwback post.

“Still hear her name mentioned most weeks in 2026,” another supporter shared.