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Prince William Says Kate Middleton and 'Cheeky' Princess Charlotte Have Mastered the Floss Dance

Prince William Says Kate Middleton and 'Cheeky' Princess Charlotte Have Mastered the Floss Dance

Recap of Prince William & Kate Making Bagels and Learning About the Impact of Covid-19 in London

PLUS: Meghan Markle remembers Ruth Bader Ginsburg after her passing and Prince Charles speaks out on the climate crisis

Kate Middleton has moves!

Prince William shared some surprising details about his family, which might surprise even the biggest royals fans, in his new ITV documentary, Prince William: A Planet for Us All.

During a visit to Liverpool documented in the film, William, 38, gets a chance to surprise a group of children who built a huge bug hotel, which they whimsically named "Bugingham Palace." In addition to discussing the importance of insects on the environment, the children were full of questions about the royal dad's kids: Prince George, 7, Princess Charlotte, 5, and Prince Louis, 2.

“Is Princess Charlotte cheekier than Prince George?” asked one child, according to Hello! magazine.

“No they’re about as cheeky as each other,” William answered. “They’re very cheeky.”

RELATED: Prince George, Princess Charlotte & Prince Louis Speak Out for the First Time! See Their Adorable Video

Kensington Palace/Instagram

Meanwhile, another student asked the father of three if George had taught the family how to do the floss dance.

"No, Charlotte can floss," William replied, noting that their daughter had mastered it at the age of 4 and that his wife could also do the popular dance style.

“Catherine can floss but I can't. It's, it's like a really horrible film to watch me floss,” he added.

Henry Nicholls - WPA Pool/Getty Kate Middleton and Prince William

In the new documentary, which airs in the U.K. on ITV on Monday, the Duke of Cambridge reflected on how his children have impacted his commitment to protecting the environment.

"I really want to make sure that in 20 years, George doesn't turn around and say, are you ahead of your time? Because if he does, we’re too late," William says.

“Now I’ve got George, Charlotte and now Louis in my life, your outlook does change. You want to hand over to the next generation, the wildlife, in a much better condition,” he adds.

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Kensington Palace Prince William and Kate Middleton with children and Sir David Attenborough

Although his children may still be young, they already share their father’s love of nature.

Last weekend, William and Kate released some adorable images of the family in the garden at Kensington Palace meeting one of their favorite TV stars, Sir David Attenborough.

And on Saturday, a video was released showing the three children asking the revered naturalist a question while helping to raise awareness of the challenges of the natural world.