The time they both wore yellow and white for Charlotte to meet the world.
On May 2, 2015, Princess Charlotte made her public debut outside the Lindo Wing at St. Mary's Hospital in London shortly after Kate gave birth. The mother and daughter matched in shades of yellow and white, because they've been a fashion team since Day 1. Photo: Getty
The time they twinned in cream at Charlotte's christening.
At Charlotte's christening on July 5, 2015, Kate dressed to match her daughter's white and cream gown. Photo: Getty
The time they were matching snow bunnies.
During the Cambridges' ski holiday in the French Alps in March 2016, Kate dressed Charlotte in a white puffy coat to match her own. Photo: Getty
The time they were pretty in pink at Trooping the Colour.
At the 2016 Trooping the Colour event, Kate and Charlotte perfectly coordinated in light pink hues. Photo: Getty
The time they were blue da ba dee da ba da in Canada.
In September 2016, the Cambridge family took a trip to Canada for a royal tour. Kate and Charlotte stepped off the plane in Victoria wearing complementary blue outfits. Photo: Getty
The time they both wore burgundy for Christmas.
On Christmas Day in 2016, Will and Kate took the kids out for a church service in Englefield, England and Kate and Charlotte looked very coordinated in their respective pops of dark red. Photo: Getty
The time they used a belt to make sure they matched.
At Pippa Middleton's wedding in May 2017, Kate wore a blush pink dress and Charlotte wore a traditional white bridesmaid's dress. They still found subtle ways to coordinate though. Kate opted for a floral fascinator that went with Charlotte's floral headband and Charlotte wore a blush pink belt around her dress that matched her mom's look. Photo: Getty
The time they decided not to mess with a good thing.
For the 2017 Trooping the Colour event, Kate and Charlotte decided to match in pink again for the second year in a row. Photo: Getty
The time they wore blue on their trip to Germany.
In July 2017, the Cambridge clan touched down in Berlin for a royal tour of Germany. Kate and Charlotte both wore blue for the trip. Photo: Getty
The time they didn't exactly match, but they still coordinated perfectly.
On the final leg of their German tour in July 2017, Kate and Charlotte wore shades of purple and pink, respectively, that went together perfectly. Photo: Getty
The time they went for a white wedding look.
At Prince Harry and Meghan Markle's wedding in May 2018, both Charlotte and Kate wore shades of white. They also matched on the headgear front though, which Charlotte in a traditional bridesmaid's floral headpiece and Kate sporting a floral fascinator to match. Photo: Getty
The time they decided to low-key coordinate with the Queen.
At the 2018 Trooping the Colour event, Kate and Charlotte broke their personal tradition of wearing pink and opted for baby blue dresses that went with Queen Elizabeth's blue look. Photo: Getty