Taking a leaf out of Catherine, Duchess of Cambridge's, book, Princess Sofia of Sweden donned this white Self-Portrait dress to a State Banquet in June 2019.
Although there are some subtle differences, Crown Princess Mary of Denmark and Catherine, Duchess of Cambridge, have each worn a version of this Emilia Wickstead dress.
Princess Victoria and Queen Silvia of Sweden didn't just wear the same dress... they wore the exact same dress. Princess Victoria dipped into her mother's archives and wore a Nina Ricci gown that had been previously worn at the 1995 Nobel Prize Ceremony.
This glittery Oscar de la Renta dress is a favourite of both the Duchess of Cambridge and Princess Mette-Marit of Norway.
Princess Victoria of Sweden and Queen Maxima of The Netherlands share a love for this coral Elie Saab dress.
Princess Alexandra of Luxembourg and Catherine, Duchess of Cambridge, have both worn this lace gown by Jenny Packham. Alexandra in periwinkle and Kate in teal.
Both Princess Sofia of Sweden and Queen Letizia of Spain wore this pale pink Boss dress.
The Duchess of Cambridge and Princess Mary of Denmark were both taken with this Malene Birger maternity coat during their pregnancies.
Pippa (or should we say Lady Philippa?) and Princess Mary both wore this blue Project D dress.
Both Queen Maxima of the Netherlands and Princess Madeleine of Sweden have donned this dramatic Giambattista Valli gown.
Kate had a twin moment with Princess Claire of Luxembourg in Beulah London.
Crown Princess Marie-Chantal of Greece and Crown Princess Victoria of Sweden both wore this lace Dolce & Gabbana dress.
Princess Mary of Denmark and Princess Laurentien of the Netherlands wore this Missoni printed coat.
This H&M Conscious dress is a royal favourite—it's been worn by Princess Mette-Marit, Crown Princess Victoria and Princess Mary.
The Duchess of Cambridge had a very mini-royal snap with little Princess Leonor of Spain, who wore the same Carolina Herrera coat as her.