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A post shared by Kensington Palace (@kensingtonroyal) on Apr 22, 2019 at 2:30pm PDT

Kate also snapped an adorable photo last year of Charlotte holding and kissing her then-newborn brother Louis.

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A post shared by Kensington Palace (@kensingtonroyal) on May 5, 2018 at 4:00pm PDT

As patron of the Royal Photographic Society, Kate will highlight the work of a society that has over 11,000 members and runs more than 500 events in the U.K. and around the world. The society was founded in 1853.

Kate combined the work of two of her patronages Tuesday. She joined kids from Action for Children, of which she is a patron, in sessions led by Royal Photographic Society Honorary Fellows Jillian Edelstein and Harry Borden.

\"PHOTO:
Chris Jackson/Getty Images
PHOTO: Catherine, Duchess of Cambridge and photographer Jillian Edelstein join a photography workshop for Action for Children, run by the Royal Photographic Society at Warren Park on June 25, 2019, in Kingston, England.
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The duchess joined the kids in learning about elements of photography including portraits, light and color, according to Kensington Palace.

\"PHOTO:
Chris Jackson/Pool via AP
PHOTO: Britain's Kate, Duchess of Cambridge hugs Faith Olukoya at a photography workshop for Action for Children, run by the Royal Photographic Society in Kingston, England, June 25, 2019.
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\"PHOTO:
Chris Jackson/Getty Images
PHOTO: Catherine, Duchess of Cambridge speaks with Josh Evans at photography workshop for Action for Children, run by the Royal Photographic Society at Warren Park on June 25, 2019, in Kingston, England.
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