Anastasia Radzinskaya, 5, is one of the highest-earning YouTube stars, according to Forbes.

Radzinskaya, who goes by Nastya or Stacy, stars in six YouTube channels.

She moved to the US from Russia in 2018 and speaks both English and Russian.

Radzinskaya earns $18 million annually from her YouTube channels, Forbes said.

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Anastasia Radzinskaya, a 5-year-old YouTuber, placed impressively high on Forbes' list of the top-earning YouTube stars of 2019, landing at No. 3. She even beat out well-known names like PewDiePie and Jeffree Star, making an estimated $18 million from June 2018 to June 2019.

Here's what you need to know about the 5-year-old millionaire.