Prince William was asked a personal question about his children by Liverpool schoolchildren.
The Duke of Cambridge was impressed with the knowledge and passion for nature on display at All Saints Catholic Primary School in Anfield.
The Royal visited the school for part of his ITV documentary, Prince William: A Planet for Us All which follows his campaign to champion global action on conservation and climate change.
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The Prince was keen to speak with young people, who he believes will be the change they desperately want to see in the world, while also pushing for leaders and policy-makers to make positive changes happen.
At the primary school in Anfield, the children gave him a tour of their "bug hotel" which was aptly named Bugingham Palace.
Children Poppy and Daisy offered facts about insects and the importance of bees but were also keen to pick the Prince's brain and ask about his children.
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The little girls asked who was cheekier between Princess Charlotte and Prince George, but the Duke of Cambridge said they were equally cheeky.
They also asked whether the young Princess can floss, which Prince William confirmed she can - though he added they "wouldn't want to see him" attempt the dance move.
*Prince William: A Planet for Us All airs on ITV
