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Hubba-hubba-ding-ding, Queen Elizabeth’s grandnephew is being crowned the hottest new workout king.

Although he’s 26th in line to the British throne, Arthur Chatto, 21, has been getting the royal treatment online after sharing workout videos to gym BoundFitness’ Instagram page.

Chatto, grandson to Princess Margaret, Queen Elizabeth’s younger sister, works as a personal trainer at BoundFitness in Scotland. He’s also pursuing a geography degree at the University of Edinburgh.

Sometimes dubbed a possible “next Prince Harry,” the eligible bachelor also went to the prestigious Eton College.

He even managed to steal some of the spotlight from royal family headliners Prince Harry and Meghan Markle on their wedding day when he rolled up to his second cousin’s wedding escorting his mother, Lady Sarah Chatto.

Chatto’s 50-minute HITT workout clips have reached official thirst trap status across all social media platforms, and are now making fans sweat — in more ways than one.

“Is arthur chatto single bc i’m ready to join the royal family,” one Twitter crush shared in a post inspired by the strapping young fitness guru.

“Question of the day: how would one go about becoming the girlfriend of arthur chatto,” tweeted another newfound fan.

However, fancying himself more than just muscle-bound Insta-eye candy, Chatto, a level three personal trainer, says he “specializes in strength and endurance training with a military focus,” according to his bio on BoundFitness’ social profile.

He leads training sessions on Instagram Live with the gym, and demonstrates his, ahem, exceptional form in promotional posts.

“I was lucky enough to row around the UK this summer!” he added in the caption. “This gave me a lot of experience in training myself and the team to complete the challenging expedition. I’ve found physical training to be an essential cornerstone in improving my own mental health and I want to share this with others.”

And honey, the online “others” are going fish and chips crazy over his shares! Chatto already has more than 170,500 followers on his own personal — and verified — Instagram, where he racks up hearts and likes by the 10s of thousands.

Also on his personal page, Chatto posted a video of his “grueling” experience completing the 2,000 mile Great British row for charity. He and his equally built buddies raised funds for the British Red Cross, rowing around the country for 42 days.

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