Prince Williamand Prince Harry are getting some royally adorable support at their charity polo match!

The special event marks the royal cousins’ first public playdate together.

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Kate Middleton, Archie and Meghan Markle.Tim Rooke/Shutterstock

Catherine Duchess of Cambridge, Meghan Duchess of Sussex, Archie Mountbatten-Windsor

Tim Rooke/Shutterstock

Catherine Duchess of Cambridge, Prince Louis

Prince George and Princess Charlotte.MEGA

Meghan Markle The Duchess of Sussex seen with baby son Archie whilst going to watch Prince William and husband Prince Harry play in the King Power Royal Charity Polo Day. 10 Jul 2019 Pictured: Meghan Markle The Duchess of Sussex seen with baby son Archie whilst going to watch Prince William and husband Prince Harry play in the King Power Royal Charity Polo Day. Photo credit: James Whatling / MEGA TheMegaAgency.com +1 888 505 6342 (Mega Agency TagID: MEGA462885_005.jpg) [Photo via Mega Agency]

Prince George, Meghan Duchess of Sussex, Archie Mountbatten-Windsor

Mandatory Credit: Photo by Tim Rooke/Shutterstock (10331673az) Meghan Duchess of Sussex, Archie Mountbatten-Windsor, Catherine Duchess of Cambridge King Power Royal Charity Polo Day, Billingbear Polo Club, Wokingham, UK - 10 Jul 2019

King Power Royal Charity Polo Day, Billingbear Polo Club, Wokingham, UK - 10 Jul 2019

Harry and Meghan justcelebrated their son’s christeningover the weekend with a small group of close friends and family.

Meghan Markle and Kate Middleton.SplashNews.com

Meghan, Duchess Of Sussex And Archie Attends King Power Royal Charity Polo Day

Meghan Markle.MEGA

Prince William and Prince Harry take part in the King Power Royal Charity Polo Day for the Khun Vichai Srivaddhanaprabha Memorial Polo Trophy at Billingbear Polo Club, Wokingham, Berkshire, UK on the 10th July 2019. 10 Jul 2019 Pictured: Prince William and Prince Harry take part in the King Power Royal Charity Polo Day for the Khun Vichai Srivaddhanaprabha Memorial Polo Trophy at Billingbear Polo Club, Wokingham, Berkshire, UK on the 10th July 2019. Photo credit: James Whatling / MEGA TheMegaAgency.com +1 888 505 6342 (Mega Agency TagID: MEGA462885_001.jpg) [Photo via Mega Agency]

“They are basking in the glow and enjoying each day,” aroyal source exclusively tells PEOPLE in this week’s cover story. “As most new parents are, they’re just so excited. There’s something new every day. They’re just really happy.”

CHRIS ALLERTON/AFP/Getty Images

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The royal kids are no strangers to the polo field. Last summer,George and Charlotte joined their cousins for a day of funat another one of their dad’s charity polo matches.

“The first thing they did when they left the car was slide down the hill on his bum,” an onlooker told PEOPLE at the time. “George was peering over some hoarding around the side of the pitch, grinning at the others, who were messing around with him.”

Prince George.SplashNews.com

Catherine, Duchess Of Cambridge And Prince Louis Attend King Power Royal Charity Polo Day

Kate Middleton and Prince Louis.Tim Rooke/Shutterstock

Catherine Duchess of Cambridge, Prince Louis

Prince Louis and Kate Middleton.Tim Rooke/Shutterstock

Catherine Duchess of Cambridge, Prince Louis

Kate Middleton and Prince Louis.

William and Harry play in the King Power Royal Charity Polo Day

“Kate is a fantastic mom,” the observer added. “She was calm with the children.” Using a British phrase for “run loose,” the onlooker said, “She let them have their head.”

Prince William.

King Power Royal Charity Polo Day

Prince Harry.

King Power Royal Charity Polo Day

Royal dads William and Harry may be regulars on the polo scene, but they are not expected to be taking part in as many matches this season. Harry became a first-time dad in May to son Archie, while father of three William has his own parental commitments, royal sources say.

“They will both play polo in support of their charities, but work and family responsibilities mean that theycan’t commit to as many polo matchesas they used to,” a palace source previously told PEOPLE.

source: people.com