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4th April 2017
09:55pm BST

When it comes to voices of children's characters they're usually much older. Nancy Cartright, who is 59-years-old, voices Bart Simpson and Yeardley Smith, who is 52-years-old, voices Lisa Simpson.
So, we just thought that the same pattern would follow for other shows. But Harley has been the voice of Peppa for the last ten years. She started at the age of five and can still create the same voice of little Peppa as a teenager.
She was on This Morning earlier today when she did the voice for Phillip and guest host Sarah Greene and they loved it.
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