As the royal family adheres to royal mourning etiquette, the Princess Royal has donned a series of all-black outfits since the Queen's death - though one outfit in particular has sparked the interest of fashion-forward royal fans.
SEE: Princess Anne's subtle nod to the Queen – did you notice it?
Whilst in Edinburgh on 13 September, Princess Anne looked poised and elegant in a sleek black jacket fastened with a pearlescent pin. The fit-and-flare jacket carved a feminine silhouette, elevating the royal's respectful ensemble, which consisted of a smart ebony pencil skirt, sheer tights and an understaded black headpiece.
WATCH: Princess Anne's last curtsy to the Queen revealed
It's not the first time we've seen Anne don the peplum-style jacket. The mother-of-two previously wore the garment - which is at least 25 years old - at the funeral of Princess Diana in 1997, proving the royal's style truly is timeless.
Princess Anne was a champion of sustainable style long before the trend became mainstream. Where consumers are now encouraged to recycle, buy vintage and rewear their wardrobe, the thrifty Princess Royal has been a sustainable style trendsetter for decades.
© Photo: Getty ImagesThe royal accompanied her mother's coffin from Scotland to London
Though the elegant jacket is likely to have been tailored for the royal rather than bought second-hand, her dedication to her timeless style and fuss-free approach to life makes her approach to fashion all the more iconic.
The royal previously told Vanity Fair that she chooses to recycle styles "because I’m quite mean", adding: "I still try and buy materials and have them made up because I just think that’s more fun."
READ: Princess Anne's heartbreaking secret tribute to the Queen
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Princess Anne also shared the importance of tailoring her clothes using local materials, because "it also helps to support those who still manufacture in this country," she added.
"We mustn’t forget we’ve got those skills, and there are still places that do a fantastic job."
© Photo: Getty ImagesPrincess Anne wore the same jacket at the funeral of Princess Diana in 1997
During a difficult few days in Scotland, the royal was also armed with a 'Balmoral Blue Jura' handbag laced with a tartan trim, quickly recognised as one from the Balmoral gift shop near the Queen's royal estate.
"I love this," wrote an eagle-eyed royal fan on Instagram. "You know she didn’t have a black purse with her when the Queen unexpectedly passed away so she just sent someone to get one from the gift shop and went about her duties."
"This is what I love about Anne," read a second comment.
© Photo: Getty ImagesPrincess Anne with her 'Balmoral Blue Jura' handbag
Princess Anne has said she was "honoured" to have been with her mother, Queen Elizabeth II, when she died.
MORE: Why Princess Anne is called the Princess Royal and what the title means
In a heartfelt statement issued just days after Her Majesty's death, the 72-year-old royal said: "I was fortunate to share the last 24 hours of my dearest Mother’s life. It has been an honour and a privilege to accompany her on her final journeys." Anne also shared the Queen's final moments at her bedside with her brother, King Charles III.
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