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A royal expert said Kate Middleton, 40, and Prince William, 39, are "modern parents" who use "emotional intelligence" to discipline their three children.

American parents are not taught to use emotional intelligence to discipline their kids.

Thankfully the British royals have evolved beyond using barbaric methods to discipline their children Prince George, 8, Princess Charlotte, 7, and 4-year-old Prince Louis.

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Kate and William have the eyes of the world upon them as they raise future kings of England.

Kate's struggle to balance motherhood with grace and elegance was on full display last week during the Platinum Jubilee Pageant when her son Louis' antics stole the show.

American moms were in awe of Kate's patience and willingness to let Prince Louis be a child.

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Royal expert Jennie Bond tells OK! magazine, "I've read that they have a very modern way of parenting where, instead of putting your child on the naughty step, you allow your child to explain why they feel how they do and have a conversation about it so they can express themselves and calm down that way."

Bond said Kate and William are "making a good job of giving their children as much of a normal upbringing as possible."

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"The result seems to be that they are children who are broadly well behaved," she said of Prince George and Princess Charlotte. She said Louis was simply being a normal 4 year old boy. "Louis didn't misbehave over the Jubilee, but he was mischievous as four year olds are," said Bond.

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Hilarity ensued when little Louis was caught on camera putting his hand over his mother's mouth to shush her.

But Americans noted how well-behaved Prince George and Princess Charlotte were during Sunday's pageant, which marked the finale of the 4-day Platinum Jubilee celebrations.

"I love how Prince George and Princess Charlotte sang along with their parents," one commenter wrote.

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Bond said Prince William and Kate should be commended for using emotional intelligence to discipline their children.

"The family dynamics look to be very normal," she said. "They both, William in particular, have spoken before about the importance of mental health and giving their children emotional intelligence and the space to tell their parents how they're feeling and what their emotions are."

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When Prince Louis went viral for hushing his mom during the Queen's Platinum Jubilee, American moms said they could relate to having a naughty 4-year-old.

Prince Louis stole the show with his cheeky antics at numerous Jubilee events, including showing out at the Trooping of the Color parade last week.

During the weekend's closing event on June 5, the youngster was seen putting his hand over his mom, Kate Middleton's mouth while she gently chastised her youngest son for misbehaving.

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After the video clip went viral, some moms expressed how difficult it is to be in Kate's shoes.

An anonymous poster took to parenting forum Mumsnet to say that Kate, 40, was relatable to parents everywhere.

"I'd love to know what she threatened him with under her breath," the user wrote.

Some Internet users noted that Prince Louis' behavior was "bratty" and "annoying", but others say he was very normal for a four-year-old.

A few moms said they were grateful not to have to chastise their toddler in front of millions.

One woman wrote:

"God, it puts me into a cold sweat thinking about having to try to defuse a grumpy/overstimulated 4yo in front of a massive audience!"

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However, Kate can only do so much with Louis. Her three children with Prince William, who is second in line to the throne, belong to the monarchy - not to their parents.

Kate can't punish or discipline her children, since technically, they belong to the Queen.

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The late Princess Diana learned that lesson the hard way when the Queen of England took her sons, William and Harry, away from her after she was caught cheating on their father, Prince Charles.

Princess Diana later died in a horrific car crash when she and her boyfriend tried to flee the paparazzi on August 31, 1997 in Paris, France.