The duchess has worn this Gucci blouse in the past, but repeated it for an Instagram Q&A video about early childhood in the UK on November 30. Instagram / Kensington Royal
The Duchess of Cambridge wears The Vampire's Wife to attend a reception at the Guinness Storehouse's Gravity Bar, hosted by the British Ambassador to Ireland in Dublin, Ireland, on March 3, 2020. EPA
The Duchess of Cambridge wears vintage 1980s Oscar de la Renta to visit the Museum of Literature Ireland in Dublin on Wednesday, March 4. Getty Images
The Duchess of Cambridge's casual looks were among her most popular, including this bright orange Really Wild jumper with Zara skinny jeans, which she wore to watch Gaelic football and hurling in Galway, Ireland, on March 5. Getty Images
The Duchess of Cambridge wears a pink Marks & Spencer suit to work from home at Kensington Palace on March 30. She later re-wore the trousers for a Park Parenting Meet-up in September. Kensington Palace / Instagram
The duchess wears a white scalloped Sandro cardigan for a Zoom call with volunteers from the charity Shout on May 15. She is credited with search interest in scalloped cardigans. Instagram / Kensington Royal
The Duchess of Cambridge wore a broderie anglaise Mabel Shirt by MiH Jeans to speak on a Zoom call during Volunteer Week on June 5 .She is thought to be behind a spike in searches for broderie anglaise. Instagram / Kensington Royal
The Duchess of Cambridge's most popular look of 2020, a Marie-Louise Midi Dress by Faithfull the Brand, which she wore during a visit to The Nook children's hospice in Norfolk on June 25. The floral look was one of a string of flowery dresses she wore last summer. Getty Images
A departure from florals, the Duchess of Cambridge wears black and white Emilia Wickstead polka dots to launch the Tiny Happy People programme on July 13. Instagram / Kensington Royal
The Duchess of Cambridge wears a blue floral Aurora dress by Emilia Wickstead to visit to Barry Island, South Wales, with the Duke of Cambridge, on August 5. Getty Images
The Duchess of Cambridge wears red floral Calla Dress by Beulah London to arrive at the London Bridge Jobcentre with the Duke of Cambridge on September 15. Getty Images
The Duchess of Cambridge is behind a spike in searches for 'checkered overcoats', seen here wearing a Massimo Dutti coat over a light blue jumper by the same brand to visit students at the University of Derby on October 6. Getty Images
The Duchess of Cambridge wears a red double-breasted Alexander McQueen coat over a pleated Massimo Dutti skirt to arrive for the launch of the Hold Still campaign at Waterloo Station, London, on October 20. Getty Images
For a Remembrance Day Zoom call, the Duchess of Cambridge wore a scalloped Ghost blouse on November 11. Instagram / Kensington Royal
Searches for 'scalloped' rose after the duchess wore the Abercorn Scallop Cardigan by Boden for a video to discuss her Hold Still project on November 14. Instagram / Kensington Royal
The duchess has worn this Gucci blouse in the past, but repeated it for an Instagram Q&A video about early childhood in the UK on November 30. Instagram / Kensington Royal
The Duchess of Cambridge wears The Vampire's Wife to attend a reception at the Guinness Storehouse's Gravity Bar, hosted by the British Ambassador to Ireland in Dublin, Ireland, on March 3, 2020. EPA
The Duchess of Cambridge wears vintage 1980s Oscar de la Renta to visit the Museum of Literature Ireland in Dublin on Wednesday, March 4. Getty Images
The Duchess of Cambridge's casual looks were among her most popular, including this bright orange Really Wild jumper with Zara skinny jeans, which she wore to watch Gaelic football and hurling in Galway, Ireland, on March 5. Getty Images
The Duchess of Cambridge wears a pink Marks & Spencer suit to work from home at Kensington Palace on March 30. She later re-wore the trousers for a Park Parenting Meet-up in September. Kensington Palace / Instagram
The duchess wears a white scalloped Sandro cardigan for a Zoom call with volunteers from the charity Shout on May 15. She is credited with search interest in scalloped cardigans. Instagram / Kensington Royal
The Duchess of Cambridge wore a broderie anglaise Mabel Shirt by MiH Jeans to speak on a Zoom call during Volunteer Week on June 5 .She is thought to be behind a spike in searches for broderie anglaise. Instagram / Kensington Royal
The Duchess of Cambridge's most popular look of 2020, a Marie-Louise Midi Dress by Faithfull the Brand, which she wore during a visit to The Nook children's hospice in Norfolk on June 25. The floral look was one of a string of flowery dresses she wore last summer. Getty Images
A departure from florals, the Duchess of Cambridge wears black and white Emilia Wickstead polka dots to launch the Tiny Happy People programme on July 13. Instagram / Kensington Royal
The Duchess of Cambridge wears a blue floral Aurora dress by Emilia Wickstead to visit to Barry Island, South Wales, with the Duke of Cambridge, on August 5. Getty Images
The Duchess of Cambridge wears red floral Calla Dress by Beulah London to arrive at the London Bridge Jobcentre with the Duke of Cambridge on September 15. Getty Images
The Duchess of Cambridge is behind a spike in searches for 'checkered overcoats', seen here wearing a Massimo Dutti coat over a light blue jumper by the same brand to visit students at the University of Derby on October 6. Getty Images
The Duchess of Cambridge wears a red double-breasted Alexander McQueen coat over a pleated Massimo Dutti skirt to arrive for the launch of the Hold Still campaign at Waterloo Station, London, on October 20. Getty Images
For a Remembrance Day Zoom call, the Duchess of Cambridge wore a scalloped Ghost blouse on November 11. Instagram / Kensington Royal
Searches for 'scalloped' rose after the duchess wore the Abercorn Scallop Cardigan by Boden for a video to discuss her Hold Still project on November 14. Instagram / Kensington Royal
The duchess has worn this Gucci blouse in the past, but repeated it for an Instagram Q&A video about early childhood in the UK on November 30. Instagram / Kensington Royal