Which celebrity became the youngest self-made billionaire (at the time) primarily through their personal brand's cosmetics line launched in 2015?

The modern celebrity is more than just a famous face—they're often shrewd business moguls who understand product launches, market trends, and brand value. Some celebrities have transformed their personal brands into billion-dollar empires through strategic product development and marketing. This trivia tests your knowledge of which famous individuals have most successfully leveraged their personal brand into massive business success.

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Kylie Jenner with Kylie Cosmetics
Rihanna with Fenty Beauty
Jessica Alba with The Honest Company
Kim Kardashian with KKW Beauty