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The Duchess of Cambridge’s style twinning moments with other royal ladies 
1: Self Portrait crochet maxi dress (worn 2016), also seen on Princess Sofia of Sweden in 2019, and Princess Ingrid of Norway in 2019.
1: Self Portrait crochet maxi dress (worn 2016), also seen on Princess Sofia of Sweden in 2019, and Princess Ingrid of Norway in 2019.
2: Erdem Rhona Dress, worn by The Duchess of Cambridge in 2017, and by Crown Princess Mette-Marit of Norway in 2016.
3: The Vampire’s Wife *similar dresses*, worn by The Duchess of Cambridge in 2020 and Princess Beatrice in 2019.
4: Diane von Furstenberg ‘Zarita’ dress and gown, worn by The Duchess of Cambridge in 2014 and 2017, and Meghan Markle in 2012.
5: Max Mara Villar Coat, worn by The Duchess of Cambridge in 2015 and Princess Eugenie in 2014.
6: Reiss Olivia Coat, worn by The Duchess of Cambridge and Princess Eugenie in 2007.
7: Beulah London Sabitri Dress, worn by The Duchess of Cambridge in 2012 and Princess Claire of Luxembourg in 2017.
8: Erdem Shebah Maxi Dress, worn by The Duchess of Cambridge in 2019, and The Duchess of Kent in 2018.
9: Katherine Hooker similar costs, worn by The Duchess in 2011, and Zara Tindall in 2012.
10: Seraphine Tailored Maternity Dress, worn by The Duchess in 2018 and Hereditary Grand Duchess Stéphanie of Luxembourg in 2020.
11: Seraphine Natasha Maternity Coat, worn by The Duchess in 2015 and 2018, & Hereditary Grand Duchess Stéphanie of Luxembourg in 2020.
11: Seraphine Natasha Maternity Coat, worn by The Duchess in 2015 and 2018, & Hereditary Grand Duchess Stéphanie of Luxembourg in 2020.
12: Beulah London Shalini Dress, worn by The Duchess in 2020 and Crown Princess Mary of Denmark in 2019.
13: Issa *similar* dresses, worn by The Duchess in 2010 and Princess Mary in 2017.
14: Malene Birger Coat, worn by The Duchess in 2013 and Princess Mary in 2006.
15: Emilia Wickstead *similar* custom dresses, first worn by The Duchess in 2017 and Princess Mary in 2015.
16: Philip Treacy *similar* cocktail hat, worn by The Duchess in 2018 & 2019 and by Princess Mary in 2019.
17: Massimo Dutti Wool Flannel Blazer, first worn by The Duchess in 2020 and Princess Mary in 2020.
18: Beulah London Yahvi Dress, worn by The Duchess in 2019 (hers is slightly customised) and Princess Mary in 2019.
19: Jenny Packham Aspen Gown worn by The Duchess in 2012 & 2018, very similar to the Tadashi Shoji gowns worn by Princess Madeline of Sweden, Princess Alexandra of Luxembourg and Princess Alexandra of Sayn-Wittgenstein-Berleburg.
20: Gina Foster Meribel Hat, worn by The Duchess and Zara Tindall.
21: Carolina Herrera coat, worn by The Duchess in 2016 and Princess Sofia of Spain (in the girls version) a month later.
