The Duchess of Cambridge’s effortlessly elegant style captured the nation’s heart from the moment she stepped into the limelight - when she almost instantly spawned the “Kate Middleton Effect” as we know it today (an item will instantly sell out after she’s spotted wearing it).
To celebrate the Duchess’ glorious fashion reign, we’ve compiled a round-up of 36 times she gave us major royal style goals:
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Not only was the Duchess' Alexander McQueen off-the-shoulder dress bang on trend for summer 2017 but it was also just the right balance of dressy and casual for a garden party - hosted in honour of the Queen's birthday, at the British Ambassadorial Residence on July 19, 2017 in Berlin, Germany.
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The Duchess nailed red carpet glamour in a floor-length gown by Self Portrait at the premiere of 'A Street Cat Named Bob' on 3 November 2016.
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She was praised for embracing 'daring' fashion choices when she wore this cream Barbara Casasola off-the-shoulder jersey dress to an Art Fund dinner hosted at London's Natural History Museum on 6 July 2016.
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Proving the British high street can hold its own amidst a designer wardrobe, the Duchess wore Topshop’s Embroidered Smock Dress, £75, with £60 Karley wedges by Dune London during a visit to India and Bhutan on 13 April 2016.
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The Duchess found a regal way to wear the crop top trend while in New Dehli on 11 April 2016, by pairing this 'Indian Chintz and lattice' design from Alice Temperley's SS16 collection with a matching maxi skirt.
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Kate gave the Bond girls a run for their money in this ice-blue Jenny Packham gown at the London premiere of 'Spectre' on 26 October 2015.
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The Duchess paid a touching tribute to her late mother-in-law Princess Diana when she wore her tiara to the annual Diplomatic Reception at Buckingham Palace on 8 December 2015.
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Kate donned her best smile and a custom-made Alexander McQueen dress in a festive red hue to the Anna Freud Centre Family School Christmas Party in London on 15 December 2015.
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She looked casual and cool in a Jonathan Saunders sweater while attending a children's rugby game in New Zealand on 13 April 2014.
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One of our all time faves from Kate's wardrobe. The Duchess chose to wear this glistening Jenny Packham gown at a London charity event on 9 June 2011.
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Kate exuded elegance in this body-hugging Jenny Packham dress that delicately frames her shoulders, while attending a state reception in Wellington, New Zealand on 10 April 2014.
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Not one to be upstaged by the weather, Kate sported a sunny yellow Roksanda Ilincic dress while visiting Sydney, Australia in April 2014.
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The Duchess ensured she looked business-like by wearing a chic Zara blazer for a wine tasting event in New Zealand on April 13, 2014. After all this is technically a work event.
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Kate's floral-print frock by L.K Bennett is delicately offset by her drop earrings at the Royal Australian Airforce Base in Brisbane on 19 April 2014.
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Kate looked casual, but chic in Hobbs while visiting Uluru/Ayers Rock in Australia in April 2014.
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The Duchess kept things sleek with a teal suit by LK Bennett while visiting Leicester on the first date of Queen Elizabeth II's Diamond Jubilee in March 2012.
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Proving the "nude" trend can be classy and conservative, Kate attended the UK red carpet premiere of "Mandela: Long Walk to Freedom" in this Roland Mouret gown on 5 December 2013.
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Kate opted for a dramatic Diane von Furstenberg printed frock during a trip to the Blue Mountains in Australia on 17 April 2014.
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The Duchess sported a tan Malene Birger frock during a welcome ceremony in Yellowknife, Canada on 5 July 2011. We love the simple detailing around her waist.
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Kate dressed down in a ME+EM ensemble to sail with Team New Zealand on 11 April 2014. Sporty yet regal, a winning combo.
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The Duchess stepped out in an ice blue brocade Alexander McQueen skirt suit for the annual Trooping the Colour Ceremony on 14 June 2014.
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Proving grey doesn't have to mean dull. The Duchess arrived at the UK's Creative Industries reception in July 2012 wearing a classy Roksanda Ilincic dress, which is absolutely beautifully cut.
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The Duchess of Cambridge stole the show in an Alice Temperley gown at the UK royal film premiere of "War Horse" in January 2012.
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Kate turned heads in this Alexander McQueen coat on day four of the Royal Tour to New Zealand on 10 April 2014. She also opted for a high pony - not one of her go-to styles, but one which is perfect for travelling.
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The Duchess stunned in a teal Jenny Packham gown while attending the London Olympic gala in May 2012. Red carpet dressing clearly suits her.
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The Duchess of Cambridge sported a Michael Kors coat dress while visiting the Australian War Memorial in Canberra, Australia on 25 April 2014.
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The Duchess donned a lovely white cocktail dress by American designer Leila Rose at a reception in Canberra, Australia on 24 April 2014.
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The Duchess looked chic and polished as she arrived in Alberta, Canada in May 2011.
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Julian Parker via Getty Images
Kate appropriately donned a red Catherine Walker ensemble during a departure ceremony in Calgary, Alberta on 8 July 2011.
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Kate attended the Royal Variety Performance on 13 November 2014 wearing an elegant black lace gown by American designer Diane Von Furstenberg.
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Kate donned an Alexander McQueen coat for the Easter Sunday services at St. Andrews Cathedral in April 2014.
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Kate kept things simple in a white Jaeger dress as she attended a breakfast reception in London in October 2014.
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The Duchess sparkled in a silver Jenny Packham gown at the Tusk Foundation Gala in September 2013.
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The Duchess of Cambridge stunned in another Jenny Packham dress (are you beginning to see a theme here?) on 24 October 2013.
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Kate proudly sported a red and white ensemble during a Canada Day celebration on Parliament Hill in Ottawa on 1 July 2011.
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Samir Hussein via Getty Images
And of course no round up of the dream outfits the Duchess has worn would be complete without a look at that wedding dress.
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