Kate Middleton showed off her perfect curtsy toQueen Elizabethonce again!

The royal mom of three returned to the Chelsea Flower Show on Monday evening after spending the dayshowing kids around her new garden exhibit.

And aftershowing her project off to her own kids—Prince George,Princess CharlotteandPrince Louis— Kate was ready to give her grandmother-in-law, Queen Elizabeth, the grand tour.

With one foot behind the other, Kate quickly bent her knees and smiled at the Queen as the trio continued their conversation.

Kate expertly trained her 4-year-old daughter,Princess Charlotte, whodebuted her own adorable curtsy during the royal family’s tour in Germany and Poland in 2017.

Myka Meier, founder and director of Beaumont Etiquette, previously told PEOPLE that a curtsy should be subtle and that the deeper and longer you pause shows more respect and formality. To curtsy, Meier instructs placing one leg behind the other (whichever one is more comfortable for you) and bowing your head slightly while bending your knees.

SUZANNE PLUNKETT/RHS CHELSEA FLOWER SHOW HANDOUT/EPA-EFE/REX/Shutterstock

Chelsea Flower show Catherine Duchess of Cambridge Prince William Queen Elizabeth

REX/Shutterstock

Queen Elizabeth II is shown around ‘Back to Nature’ by Prince William and Catherine Duchess of Cambridge

Queen Elizabeth II is shown around ‘Back to Nature’ by the designer Catherine Duchess of Cambridge RHS Chelsea Flower Show, Press Day, London, UK - 20 May 2019

Queen Elizabeth II is shown around ‘Back to Nature’ by Prince William and Catherine Duchess of Cambridge

Kate told the BBC’s gardening expert Monty Don, “I really feel that nature and being interactive outdoors has huge benefits on our physical and mental wellbeing, particularly for young children. I really hope that this woodland that we have created really inspires families, kids and communities to get outside, enjoy nature and the outdoors, and spend quality time together.”

Prince George and Princess Charlotte.Matt Porteous/Kensington Palace via Getty

Princess Charlotte and Prince George

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Kate and William took their children to visit the exhibit on on Sunday afternoon. The family sat in a den that they had all helped source wood to build, whileGeorge and Charlotte took off their shoesand dipped their feet in the stream beneath a waterfall, and littleLouis, 12 months, was seen walkingand brandishing a stick.

source: people.com