To mark the 100th anniversary of the Royal Air Force, Kate Middleton and Meghan Markle have joined their husbands at Buckingham Palace this afternoon.

Dressed in Alexander McQueen and Dior, respectively, the Duchess of Cambridge and Duchess of Sussex looked stunning as they sat alongside Prince Harry and Prince William outside the iconic London landmark.

However, in one photograph of the royals, Meghan and Kate appear to be mimicking each other’s behaviour.

In the snap, the pair are looking into the eyes of their other halves, smiling, and resting their hands on their laps.

Talk about a BFF moment!

Kate Middletonpinterest
Rex

The adorable twinning moment came minutes before the famous foursome joined Queen Elizabeth II and the Duke and Duchess of Cornwall on the balcony of Buckingham Palace to watch the the RAF's new F-35 Lightning stealth fighters’ flypast.

Meghan Marklepinterest
Rex
Meghan Marklepinterest
Rex

Nine helicopters led the armada, while the Red Arrows brought up the rear, much to the delight of the royals and thousands of royal fans gathered outside the Palace.

Earlier today, Prince William was spotted sitting alongside his wife for the celebration at Westminster Abbey and couldn’t help but laugh during the service.

Footage of the royal shows the father-of-three trying to conceal his laughter by wiping his lip, but gets caught at the last minute by Kate who doesn’t seem impressed by her hubby's antics.

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Fancy adding a fifth member to your friendship group, guys?

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Katie O'Malley
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Katie O'Malley is the Site Director on ELLE UK. On a daily basis you’ll find Katie managing all digital workflow, editing site, video and newsletter content, liaising with commercial and sales teams on new partnerships and deals (eg Nike, Tiffany & Co., Cartier etc), implementing new digital strategies and compiling in-depth data traffic, SEO and ecomm reports. In addition to appearing on the radio and on TV, as well as interviewing everyone from Oprah Winfrey to Rishi Sunak PM, Katie enjoys writing about lifestyle, culture, wellness, fitness, fashion, and more.