Kylie Jenner: Kylie Kristen Jenner is an American model and personality. Her age is 21 year and she become the youngest rich woman of the world. She is the founder and owner of Kylie cosmetics company, her net worth is US$ 1 billion (February, 2019). She beat the Mark Zuckerberg the owner of Facebook, who become billionaire in 23 years. She is Self-made billionaire woman.