Top social media platform: Instagram — 147 million followers
As a member of the Kardashian-Jenner clan, Kylie Jenner has been in the media spotlight since she was 10 years old. Now, Jenner is one of the most popular stars on Instagram, has a daughter named Stormi, and runs a wildly popular make-up company called Kylie Cosmetics, which is valued at $900 million.