Kate Middleton is opening up about how scary it was to debut Prince George to the world for the first time.

The Duchess of Cambridge gave birth to her first child on July 22, 2013. Hours later, she felt it was her responsibility to show the newborn to the public that was eagerly waiting to lay eyes on the future King of England.

“It was terrifying. Slightly terrifying, I’m not going to lie,” Middleton explained during an appearance on the “Happy Mum Happy Baby” podcast.

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“It’s hard to decompartmentalize,” she added. “Because, you know, everyone had been so supportive.”

She explained that she felt obligated to reward the general public for showing her and husband, Prince William, support during a difficult pregnancy that saw her hospitalized for days. However, she also explained that she had all the fears of a protective new mom at the time.

Kate Middleton opened up about what it was like to debut Prince George to the public for the first time. (AFP/File)

“This was something that sort of everyone was excited about. And we’re hugely grateful for the support that the public has shown us and for us to be able to share that joy and appreciation with the public, I felt was really important,” she told the host. “But equally it was coupled with a newborn baby and sort of inexperienced parents and the uncertainty of what that held. So there was all sorts of mixed emotions.”

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The tension was broken when it came time to get Prince George into a car seat while the world’s cameras flashed. William had a difficult time securing the baby but ultimately got the job done.

"It was quite hard to do that, I think, on the world's stage,” Middleton said while laughing. “But no, he did a very good job.”

Middleton noted that she was eager to get back home after being stuck in the hospital for so long. However, she soon learned that there was no returning to normal once she’d had a child.

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"I totally underestimated the impact and the change it had on our lives from that moment, really,” she concluded. “Unless you’ve got children, you don’t realize that no amount of preparation can get you ready for that moment.”