How does Kate Middleton look “flawless”, at 40 and with three kids? Nutrition and Lifestyle Coach Jenni Russell spoke to Express.co.uk about how non-royals can get Kate’s physique through a healthy food regimen.

Jenni told Express.co.uk: “Identical to her mother-in-law before her, Kate’s appearance; posture, body shape and wardrobe selection continues to be the envy of tens of millions of girls around the globe.

“What does she do to maintain such an enviable shape especially after giving birth? How does she manage to look flawless?”

In response to the expert, food regimen plays an enormous part in allowing the Duchess to keep up such a slim figure.

Jenni suggested that she has snacking all the way down to a tee: “Kate won’t be one to snack on crisps and store bought cakes, but fairly understand the advantages of home grown vegetables and fruit in season.”

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On the subject of drinking, it is common knowledge that water is the elixir of life, with quite a few health advantages.

In addition to stopping overeating by keeping the body fuller for longer, and putting a stop to boredom eating, water is great for the skin.

Jenni said: “If she doesn’t drink copious amounts of water, then she most definitely eats hydrating foods to make sure good organ health (cucumbers, celery, beetroot, spinach etc.)

“But I’m sure she also enjoys hydrating fruits equivalent to watermelon and pineapple in addition to lots of the berries.”

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As for alcohol, while the Duchess just isn’t tee-total, Jenni predicted she limits her alcohol intake.

She said: “On the subject of alcohol the wealthy and famous know that wines and rums are ‘fattening’ in order that they select more pure drinks!

“Trust me, I even have heard this in these circles repeatedly.”

The expert suggested that tequila and champagne are tipples the wealthy and famous enjoy – ensuring to “regulate their measures and maintain their poise and dignity”.

As for mealtimes, Jenni suggested that Kate prioritises these and is not one to forget a meal or just grab and go.

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She said: “I could be surprised if Kate skipped meals.”

As a substitute, she supposed that the Duchess eats with children Prince George, Princess Charlotte and Prince George.

It’s widely known that the Duchess is an avid cook and really expert within the kitchen.

While it’s difficult to predict Kate’s go-to meals, Jenni provided some insight into the right way to eat your method to the royal’s figure.

“Breakfast must have no less than 25 percent of our every day intake,” she said.

Fairly than cereals, the expert suggested choosing fresh fruit followed by poached eggs with mushrooms, avocado and a slice of gluten free toast.

Alternatively, Kate fans could enjoy “grilled sardines on rye with an excellent salad”.

Healthy snacks may include nuts and seeds or carrots and hummus versus processed or overly sugary snacks.

As for Kate, Jenni said: “I feel she can have a bit of cake every so often but her dietary lifestyle is 80 percent foods to optimise her health versus most eating 80 percent of foods that do the alternative.

“And I doubt very much she eats anything significant after 6pm, whereas most of Britain loves late night snacks and meal times.”