Archie's out and about! Meghan, Kate and the royal kids cheer on Harry and Wills

Meghan Markle and her son Archie Harrison Mountbatten-Windsor made an appearance at the King Power Royal Charity Polo in Berkshire on Wednesday to watch new dad Prince Harry play alongside Prince William.

The Duchess of Sussex was joined on the sidelines by her sister-in-law Kate Middleton and the three Cambridge children – marking the first time in a long time that we’ve seen the two duchesses out together in a casual setting.

Holding one-year-old Prince Louis, the Duchess of Cambridge kept a keen eye on Prince George, five, and Princess Charlotte, three, while the princes played.

The royal brothers were competing for the Khun Vichai Srivaddhanaprabha Memorial Polo Trophy at the sporting match at the Billingbear Polo Club.

Meghan, Duchess of Sussex and Archie Harrison Mountbatten-Windsor, pictured with Catherine, Duchess of Cambridge and Prince Louis at the polo
Meghan Markle and Kate Middleton stepped out at the polo on Wednesday with their kids Archie Mountbatten-Windsor, Prince George, Princess Charlotte and Prince Louis in tow. Photo: Getty
Prince Louis of Cambridge pictured playing with Catherine, Duchess of Cambridge at the polo
One-year-old Prince Louis was seen goofing around in his mum's sunglasses. Photo: Getty

Mums day out

Meanwhile Meghan and Kate worked their own distinctive fashion looks at the summer event.

ADVERTISEMENT

Meghan was dressed in an olive green smock dress by Lisa Marie Fernandez that retails for AU$980, and accessorised with large aviator style sunglasses.

Duchess Kate meanwhile, wore a pink short-sleeved tea dress worth AU$580 from LK Bennett, which appears to have sold out in minutes.

Meghan, Duchess of Sussex pictured with Archie Harrison Mountbatten-Windsor at The King Power Royal Charity Polo Day
New mum Meghan was dressed in a green smock dress while baby Archie was in a simple white romper. Photo: Getty
Catherine, Duchess of Cambridge and Prince Louis at The King Power Royal Charity Polo Day
Kate stunned in a $580 dress and had her hands full with her three kids. Photo: Getty

She accessorised with a small AU$1,070 Mulberry Darley leather clutch bag, which she styled across the body and her trusty espadrille wedges.

Prince Louis wore a pair of green shorts and a navy polo shirt, while Prince George coordinated with his brother in a green polo shirt, according to the Daily Mail, and Charlotte wore a floral dress.

This is the first time Kate and Meghan have been pictured together since Archie’s christening on Saturday 6 July. They were previously pictured together on the Buckingham Palace balcony during Trooping the Colour earlier this year on 9 June.

Meghan, Duchess of Sussex, pictured with Archie Harrison Mountbatten-Windsor and Prince Harry
The duchesses were there supporting Prince Harry and Prince William who were playing in the match. Photo: Getty
Catherine, Duchess of Cambridge, pictured playing with Prince Louis, Prince George and Princess Charlotte
The Cambridge kids were seen running amuck in the boot of their car. Photo: Getty
Prince William, Duke of Cambridge and Prince Harry, Duke of Sussex playing polo
Prince Harry and Prince William were jostling on the field. Photo: Getty

Got a story tip or just want to get in touch? Email us at lifestyle.tips@verizonmedia.com

Want more lifestyle and celebrity news? Follow Yahoo Lifestyle on Facebook, Twitter and Instagram.

Or sign up to our daily newsletter here.