Queen Camilla dons 1850s tartan suit and feathered hat at Balmoral

The late Queen Elizabeth II spent every summer at Balmoral Castle, and it seems Charles and Camilla have followed suit.

Yesterday, the King and Queen were spotted at a ceremony in the grounds of the Scottish residence where they presented a new regimental flag to the Royal Guard.

Both royals were suitably dressed for the occasion, especially Camilla who was spotted in none other than a Balmoral tartan suit.

The unique pattern was designed by Queen Victoria's husband, Prince Albert, in the 1850s, and was made to match the colours of granite in Aberdeenshire, the home of Balmoral.

Looking radiant in the earthy hues, the Queen was pictured smiling as she proudly wore an a-line skirt and collared jacket adorned in the design.

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Yesterday, at a ceremony in the grounds of Balmoral Castle, The King, accompanied by The Queen, presented a new Colour (or regimental flag) to the Royal Guard. pic.twitter.com/AfeDcd2XFv

Website Tartansauthority.com described the pattern as: “Predominantly grey with overchecks of red and black the background contains a thread of black and white yarns twisted together to achieve the appearance of the rough-hewn granite so familiar in Royal Deeside.”

Camilla has been pictured wearing this tartan ensemble previously, notably last October when she attended a reception at the Victoria and Albert Halls in Ballater, to give their thanks to the Aberdeenshire community for their efforts after the late Queen died.

Prior to this, the 76-year-old donned the meaningful outfit Braemar Gathering in 2006.

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On this occasion, however, the Queen opted for nude tights and simple black ballet flats to complete the outfit.

The royal's outfit was a sweet nod to the occasion, and of course, the legacy of those who have come before her and King Charles.

As the residence of choice for senior members of the Royal Family over the summer months, the history of Balmoral itself dates back centuries to when Queen Victoria acquired the estate and started the tradition.

The most standout feature of Camilla’s tartan ensemble was her cranberry beret.

Known for her unique collection of hats and fascinators, the Queen opted for this style perhaps for its rich colour and feathered detail.

She was last seen wearing the design in 2005 for her first post-wedding appearance at Crathie Parish Church.

On both occasions, the 76-year-old teamed the deep red style with tartan garments.