• Princess Diana was known for her bold royal style, but she also had some casual appearances.
• The royal can pull off a royal-off-duty look in anything from trousers to sweaters.
• These casual Princess Diana styles are not only fashionable but also quite easy to duplicate.

Diana Spencer wore a sweater eerily foreshadowing her “black sheep” role in the royal family just a month before she married Prince Charles.

She wore the bright red sweater with a dark-wash pair of jeans and a ruffle-collared shirt.

Princess Diana embraced casual yet feminine aesthetics in her everyday life as she matured into her royal style.

Princess Diana was spotted outside Highgrove House, where she shared a home with Prince Charles, Prince William, and Prince Harry in Gloucestershire, England, wearing pink gingham pants, a white blouse, and a bright pink cardigan.

Princess Diana donned a pale pink button-down shirt and black cigarette pants in another shot from her journey to Bosnia. A pair of black leather loafers completed her ensemble.

Princess Diana wore straight-leg jeans and a pristine white top during a humanitarian trip to Bosnia in August 1997.

While in Bosnia, the former royal visited victims of land mines to raise awareness about the situation.

Princess Diana wore a Virgin Atlantic pullover and orange motorcycle shorts after leaving the gym in one of her most iconic and replicable casual appearances.

Hailey Bieber later used the style as inspiration for a photoshoot she took with Vogue Paris in 2019.

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Princess Diana donned an easy-to-wear chambray shirt and a white flowery skirt while meeting her husband Prince Charles at a hospital in 1990.

She completed the look with a pair of flowered flats that contrasted with the feminine suit.

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Princess Diana donned an oversized blazer with a sweater, sweatpants, and cowboy boots after her divorce was finalised.

The simple dress was a stark contrast to the elegant ensembles that fans had grown accustomed to seeing on members of the royal family.

In the early hours of August 31, 1997, Princess Diana and Dodi Fayed were murdered in a vehicle accident in Paris, France, along with the driver Henri Paul.

Princess Diana’s legacy, on the other hand, lives on in the humanitarian projects that the royal championed, as well as in her timeless elegance.