Hold onto your bonnets, "Bridgerton" fans, because Luke Newton, the charming rogue who plays Colin Bridgerton, has undergone a major transformation. And no, we're not talking about Colin's journey from lovesick puppy to smoldering romantic lead (though that's certainly delicious too). We're talking about Luke's off-screen glow-up, a delightful blend of healthy eating, cheeky advice, and a dash of good-natured teasing from his co-stars.

In a recent interview with Men's Health, Luke confessed that his on-set diet wasn't always the picture of health.

"If there were biscuits, I would just have a plate full of biscuits," he admitted with a sheepish grin. "Or cakes, or scones, or whatever."

"Luke has a real sweet tooth," one crew member confided with a wink. "You'd often find him sneaking a bite (or three) of the dessert table."

But when the call came that he'd be leading the romance charge in Season 3, alongside the radiant Nicola Coughlan (our beloved Penelope Featherington), Luke knew it was time to swap the scones for something a little sturdier.

"Under What Foreign Sun Did You Get So Sturdy?"

"Going into Season 3, I wanted to change my lifestyle slightly, become healthier, and just ready to go into this season and feel like I have my energy levels high," Luke explained.

The motivation wasn't just about feeling good; it was about embodying Colin's newfound maturity and, dare we say, sex appeal. The script for Season 3 left little room for doubt, with Colin's own brother, Benedict, remarking, "Under what foreign sun did you apparently get so sturdy?"

That, dear readers, was all the incentive Luke needed.

Gone were the days of biscuit binges, replaced by a regimented meal prep plan, packed with protein and designed to fuel those smoldering stares and romantic horseback rides.

A Typical Day on Colin's Plate: Protein Shakes and Post-Intimacy Crumbles

So, what does a Bridgerton heartthrob eat to stay in top form? Luke spilled the tea on his typical day of eating on set.

"I would start off the morning with a banana protein shake," he shared. Then, he'd intermittently fast until lunch, fueling up on his trusty meal kit. But don't think for a second that Luke completely swore off his beloved sweet treats.

"I would sometimes indulge in a crumble or cinnamon social," he confessed, "especially after filming an intimate scene as a reward."

We can't help but picture the scene: a flushed and triumphant Luke, fresh off a steamy scene with Nicola, digging into a well-deserved crumble, a mischievous glint in his eye.

A Tip from Superman (Maybe): Wine Not?

Speaking of intimate scenes, Luke also shared some rather cheeky advice he received, allegedly from a certain Man of Steel himself.

"I was told to have a glass of wine the night before an intimacy scene, because it can really shred you," he revealed.

"Rumor has it came from Henry Cavill."

Now, whether this nugget of wisdom actually originated from the Witcher himself remains a mystery. But one thing's for sure: Luke's dedication to his craft, both on and off the screen, is undeniable. He's traded biscuits for biceps, embraced healthy habits, and faced those steamy scenes with a twinkle in his eye (and maybe a little help from Mr. Cavill). And that, dear readers, is a Bridgerton transformation we can all raise a glass (of wine or protein shake) to.