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In a sea of otherwise anonymous faces, you couldn’t take your eyes off of her.

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Kloss walked 31 shows her first season and landed contracts with Bulgari and Dolce & Gabbana within three years.

But Kloss’s appeal goes beyond the physical.

She practically vibrates with energy and joy.

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“I feel like I’m perpetually in motion,” she says, “which I love.”

Her body is her business, but it’s her sheer life force you want to bottle.

Because no one is having as much fun as Karlie Kloss.

Image may contain Clothing Apparel Human Person Dance Pose Leisure Activities Karlie Kloss and Female

Settling onto a stool at a communal table occupied by a few tourists, Kloss scans the menu.

“Wehaveto share the spaghetti squash,” she says, excitedly.

“You guys do a really good hot cacao!”

She offers to order for both of us, since she’s clearly been here before.

“We’re going to go wild!”

Kloss has a warmth and solicitousnessa conspiratorial, insta-girlfriend vibethat is tempered by total composure.

“It’s a program you could do anywhere, without equipment,” she says, proudly.

Her interests outside fitness are equally varied.

To hear Kloss tell it, it all started with a health awakening she had several years back.

Growing up, she wasn’t the key in to get excited about vegan food.

“I stopped eating Goldfish and Oreos and started eating kale salads and avocado toast,” she says.

“It changed my energy.

I realized, OK, how I eat affects how I feel.”

She’s applied the surfeit of energy that’s resulted to her workouts.

She got into pilates, Spinning, boxing and, more recently, running.

An avid baker known for bringing cookies to her photo shoots, she started experimenting with healthier ingredients.

“She’s a creative genius,” says Kloss of Tosi.

“Her out-of-the-box approach and my healthy approach created, in my mind, the perfect cookie.”

(I’m telling you, people love these Kookies.)

Other side projects have been similarly focused and impactful.

“The irony is that I was the one it really clicked for,” she says.

“I’m definitely still a beginner,” she says.

“But it’s something that I hope to get better at.”

That’s how I measure success."

Jacket, Paco Rabanne, $1,150; Barneys New York.

Bikini bottom, $72;Nu-Swim.com.

Red top, Marques’Almeida, $495;OpeningCeremony.us.

Styled by Melissa Ventosa Martin.

Photo Credit: Paola Kudacki