Anwar Hussein//Getty Images This look was all about statement details: Princess Diana paired the bright red blazer with a polka dot blouse and a black hat. She wore this ensemble during a royal tour of Canada in June 1983.
Princess Diana Archive//Getty Images Diana's love of polka dots continued in the years to come. For a royal visit in British Columbia in May 1986, Diana went for a bold combination: she wore a patterned blouse and blazer.
Princess Diana Archive//Getty Images Diana wore a peach blazer with a perfectly coordinated hat and bag during a visit to Tokyo parliament in May 1986. It was simply monochromatic styling at its finest.
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Anwar Hussein//Getty Images Diana wore an oversized white blazer paired with a striped dress by Catherine Walker while walking the red carpet at the Cannes Film Festival on May 15, 1987.
Princess Diana Archive//Getty Images Diana had a pink moment during a trip to Sydney, Australia in January 1988. The Princess chose a cropped pink blazer, a matching skirt, and a bold pair of sunglasses for this outing.
Princess Diana Archive//Getty Images The Princess opted for an iconic color palette–black and white everything–for a glitzy event at London's National Gallery in March 1988.
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Princess Diana Archive//Getty Images Diana wore this white double-breasted blazer to a summer polo match in Windsor back in July 1987.
Princess Diana Archive//Getty Images This is proof that an oversized blazer will never go out of style. Diana wore this cream number over a sweater with the London Underground symbol on it while attending the London Marathon in April 1988.
Julian Parker//Getty Images Diana's school drop-off uniform included a chic rotation of blazers. For this milestone day, Diana chose a slightly cropped blazer: she and Prince William were accompanying Prince Harry to his first day of nursery school in September 1988.
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Mirrorpix//Getty Images Why yes, you can style sweatpants with a blazer! Diana wore this roomy black blazer with a baseball cap, cowboy boots, and relaxed white sweats for school drop-off in April 1989.
Princess Diana Archive//Getty Images A return to Diana's forever favorite pattern: polka dots. She wore this peach polka dot blazer in July 1989.
Tim Graham//Getty Images Diana chose an oversized blazer in a classic plaid print for an outing with her sister, Lady Sarah McCorquodale, in September 1989.
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Julian Parker//Getty Images A very happy Diana styled this all-pink ensemble with a statement-making red bag for a visit to the Theatre Museum in London back in September 1990.
Tim Graham//Getty Images Pairing navy and black is an undeniably timeless combination. Diana wore this navy blazer with gold buttons over a sleek black dress during an outing in Oxford in November 1990.
Princess Diana Archive//Getty Images A red check blazer is a perfect choice for the holidays. Diana wore this pick to a horse show during the holiday season in December 1990.
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Princess Diana Archive//Getty Images The Princess had a purple-on-purple moment in this look, worn at Heathrow Airport in April 1991.
Mirrorpix//Getty Images Diana chose a classic striped blazer for a flower-filled walkabout in Sheffield in July 1991.
Tim Graham//Getty Images A pink and green moment is so very T&C. Diana wore this chic tonal suit during a visit to Babington Hospital in April 1992.
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Tim Graham//Getty Images Diana opted for this crisp mint blazer to kick off a ski holiday with Prince William. The mother-son duo was photographed here arriving at Zurich Airport in March 1993.
Tim Graham//Getty Images LBD, meet the classic red blazer. Diana wowed in this head-turning outfit combination in March 1993.
Maggie Maloney is the Site Director of Oprah Daily. She previously worked at Town & Country, Elle DECOR, and Something Navy.
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