Yesterday, Forbes published a profile about Kylie Jenner and said she's set to become the youngest ever self-made billionaire. Forbes @Forbes How Kylie Jenner leveraged her massive social media following to build a $900M cosmetics fortune: #SelfMadeWomen 11:15 AM - 11 Jul 2018 Reply Retweet Favorite In the feature, they said that her Kylie Cosmetics company has amassed $900m.