* Jacob Tremblay - Actor who starred in the movie "Room" (2015) and was nominated for an Academy Award for Best Supporting Actor.
* Gianna Bryant - Basketball player and daughter of the late Kobe Bryant. She has gained popularity for her basketball skills and has a large following on social media.
* Ryan Kaji - YouTuber known for his toy review videos. He has over 30 million subscribers on YouTube and is one of the highest-paid YouTubers in the world.
* Billie Eilish - Singer and songwriter who released her debut album at the age of 17. She has won multiple Grammy Awards and has become a global phenomenon.
* Malala Yousafzai - Pakistani activist who gained fame for her advocacy for female education. She was awarded the Nobel Peace Prize at the age of 17.
These are just a few examples of nine-year-olds who have achieved fame. There are many other talented and successful individuals who have made significant contributions to their respective fields at a young age.