7) Charli D'Amelio

At just 20 years old, Charli D'Amelio is an incredibly successful content creator.

The TikTok sensation, who has 154 million followers earns a reputed $23 million per year through her social media posts and her brand deals.

Charli has made partnerships with the likes of Prada, Amazon, CeraVe and SKIMS – Kim Kardashian's beauty company.