Royals Kate Middleton's Cutest Mom Moments with Prince George, Princess Charlotte and Prince Louis From family fun days outside to the occasional scolding, Kate Middleton takes mom duty seriously By Stephanie Petit Stephanie Petit Stephanie Petit is a Royals Writer/Reporter at PEOPLE. She has been with the brand since 2016 after graduating from The College of New Jersey and holding previous positions at Seventeen, CBS Radio and more. Follow the proud dog mom on Twitter at @stephpetit_ for the latest on Queen Elizabeth's corgis. People Editorial Guidelines Updated on January 9, 2021 06:15 PM Share Tweet Pin Email Trending Videos Photo: Matt Porteous/PA 01 of 24 The Cambridge family's 2020 Christmas card. Matt Porteous / The Duke and Duchess of Cambridge/Kensington Palace via Getty Kate Middleton flashed a big smile for the family's 2020 Christmas card — almost rivaling little Prince Louis' grin! 02 of 24 Kate Middleton, Prince Louis and Princess Charlotte. Aaron Chown - WPA Pool/Getty When the family stepped out for a Christmas show in December 2020, Kate pulled double duty: cradling Prince Louis on her lap and comforting Princess Charlotte. 03 of 24 Kate joined her family — giving Louis a boost in her arms — to applaud caregivers amid the coronavirus pandemic in April 2020. 04 of 24 Pool/Samir Hussein/WireImage When Prince George and Princess Charlotte made their royal Christmas debut in Dec. 2019, Kate was a proud mama. She held hands with her daughter and even modeled a perfect curtsy for her to replicate. 05 of 24 Aaron Chown/Getty Images After missing Prince George's first day of school due to illness during her third pregnancy, the royal mom was all smiles accompanying Princess Charlotte to her first day. 06 of 24 Princess Charlotte and Kate Middleton on charity sailing day 2019. ADRIAN DENNIS/AFP/Getty Kate jumped into mom mode during August 2019's King's Cup sailing race. When Princess Charlotte stuck out her tonge at the gathered crowd, she got a quick scolding! 07 of 24 Kate Middleton, Prince Louis, Prince George and Princess Charlotte. Tim Rooke/Shutterstock The Duchess of Cambridge showed she was just a regular mom during an outing in summer 2019 to watch a charity polo match in which Prince William and Prince Harry played, even eating lunch out of the back of a car. 08 of 24 Max Mumby/Indigo/Getty While Princess Charlotte and Prince George kicked around a soccer ball, Kate was on the move following around Prince Louis. At one point, the little royal tried on mom's sunglasses! 09 of 24 Prince Louis, Prince William, Kate Middleton, Prince George and Princess Charlotte. Tim Rooke/Shutterstock Cambridge, family of five! Kate couldn't get enough of Prince Louis' royal wave during his Buckingham Palace balcony debut during the 2019 Trooping the Colour celebrations. 10 of 24 Matt Porteous/PA Princess Kate helped design a "Back to Nature" garden — and her kids got a special sneak peek before the Chelsea Flower Show. They explored the rope swing, waterfall, and even little rocks with delight. 11 of 24 PA Images/Sipa Baby number three! Kate was a proud mother at the July 2018 christening of Prince Louis, looking radiant in a white ensemble and matching headband. 12 of 24 It was Meghan Markle and Prince Harry's wedding day, but Princess Charlotte stole the show with her adorable wave — with encouragement from mom! 13 of 24 Karwai Tang/WireImage Kate turned husband Prince William's charity polo match into a family day outdoors in June 2018, playing in the grass with Prince George and Princess Charlotte. 14 of 24 James Whatling/MEGA When Princess Charlotte had a little trip on the balcony during 2018 Trooping the Colour festivities, Kate immediately diffused the situation by comforting her daughter. 15 of 24 Chris Jackson/Getty The kids came along in July 2017 for a tour of Poland and Germany, making for some adorable family snaps. 16 of 24 Max Mumby/Indigo/Getty Images On top of being sister Pippa Middleton's maid of honor at her May 2017 wedding, Kate was in full mom mode with page boy George and bridesmaid Charlotte. 17 of 24 Kate Middleton, Princess Charlotte, Prince George and Prince William at Christmas 2016. Andrew Matthews - WPA Pool/Getty Kate and Princess Charlotte perfectly coordinated for a Christmas church outing with Kate's family in December 2016. 18 of 24 Pool/Sam Hussein/WireImage The royal couple practice active listening, which involves getting on their children's level to make them feel safer and more in control, as seen during a picnic for military families during their Canada tour in September 2016. 19 of 24 James Devaney/Getty Kate stayed close to Princess Charlotte and Prince George during 2016 Trooping the Colour celebrations. 20 of 24 Matt Dunham - WPA Pool /Getty Images For Princess Charlotte's christening in July 2015, she pushed the baby in a vintage-inspired stroller. (And Prince George made sure to keep a close eye on his little sister!) 21 of 24 Kate Middleton, Prince George and Prince William in George’s first birthday portraits. In photograph released to mark Prince George's first birthday, the family visited the Sensational Butterflies exhibition at the Natural History Museum in London. Kate held her son, clearly entranced by the beautiful insects. 22 of 24 Tim Rooke/REX/Shutterstock Kate balanced tour life with motherhood during the couple's visit to Australia in April 2014. Prince George even got to meet a furry friend at the Taronga Zoo! 23 of 24 ASON BELL/CAMERA PRESS/REDUX The proud parents posed with Prince George at his October 2013 christening. 24 of 24 Anwar Hussein/WireImage Kate's debut as a mom came in July 2013 with the birth of son Prince George. They made their debut as a family of three outside the London hospital where George was born.