Princess Charlotte's appearance during Wimbledon men's singles final on Sunday sparked a flurry of attention as viewers spotted she was sporting pink nail polish.
The 10-year-old princess's choice of hot pink became visible as she covered her mouth and applauded whilst reacting to the tennis match between Carlos Alcaraz and Jannik Sinner at Centre Court.
Charlotte attended the championship match alongside her parents, the Prince and Princess of Wales, and older brother Prince George, with the family coordinating in blue ensembles for the sporting event.
The young princess wore a white dress with navy details and a blue bow in her hair, completing her outfit with tortoiseshell sunglasses from Ray Ban and white Mary Jane shoes.
Princess Charlotte sported bright pink nail polish during her Wimbledon appearance
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The appearance marked Charlotte's third visit to Wimbledon, having first attended in 2023.
Charlotte's choice follows a long-standing royal preference for neutral nail colours, though no formal ban exists on brighter shades.
Queen Elizabeth was said to have found bright polish distracting, leading to nude tones being considered the practical choice for royal engagements.
However, Charlotte's choice is not a first for the Waleses as Princess Kate has also occasionally departed from neutral shades.
Charlotte's intriguing choice could be seen as she reacted to Sunday's match
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The Princess of Wales sported bright red nail polish at the royal family's Easter church outing in 2023.
During Sunday's event, Charlotte and her mother also wore similar accessories.
To shield her eyes from the sun during the sweltering heat, Kate wore a pair of tortoiseshell cat-eye Ralph Lauren sunglasses.
Charlotte was also spotted in her own pair of tortoiseshell shades with the classic cat-eye silhouette from Ray-Ban.
Charlotte and her mother, Princess Kate, sported similarly styled sunglasses for the men's final
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During the men's final, Kate wore a bespoke royal blue V-neck midi dress by Roksanda featuring gathered fabric detailing on one shoulder.
She paired the elegant dress with tan Celia heels from Ralph Lauren, Cartier earrings and a gold Daniella Draper necklace.
Prince George, Charlotte's older brother, sported a more traditional look to the tennis.
The 11-year-old wore a dark suit and blue shirt with a navy blue and white striped tie.
Prince George sported a funky pair of geometric shades
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He appeared to be taking the lead from his father, who wore a navy double breasted suit jacket over a pale blue shirt and navy tie with white polka dots.
Not to be outdone by the ladies, both father and son also sported fetching sunglasses during the event.
William opted for a classic pair of tortoiseshell L.G.R Suez frames with green lenses.
George pushed the boat out slightly with an eye catching pair of amber geometric shades from WearMe.
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Princess Anne previously made a statement with pink metallic lipstick in June
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Princess Charlotte's eye catching choice of nail polish follows other cosmetic statements made by her fellow royals in recent months.
During the Order of the Garter procession at Windsor Castle in June, Princess Anne sported eye-catching pink metallic lipstick for the prestigious event.
At Royal Ascot later that month, Princess Eugenie also made a fashion departure with her own makeup.
The Princess of York wore bold dark eyeshadow that was blended across her eyelids, featuring an intense black shade along the lashline.