<br /> Move over Mark Zuckerberg! Reuters reports that 20-year-old Kylie Jenner is quickly on her way to becoming the youngest self-made billionaire in the U.S. <br />She's got her momanger, Kris Jenner, and legions of fans to thank. <br />In addition to appearing on “Keeping Up with the Kardashians," and endorsements, her popular cosmetics company, Kylie Cosmetics started in 2016, has already sold over $630 million dollars worth of products. <br />
