Which celebrity's cosmetics brand reached a valuation of $1 billion (achieving 'unicorn' status) in the fastest time in retail history, taking just 18 months from its 2015 launch?

Celebrity endorsements have long been a staple of marketing, but the last decade has seen a dramatic shift in how famous people interact with brands. Instead of simply endorsing products, many celebrities have launched their own successful product lines, creating billion-dollar empires. This poll tests your knowledge about one of the most successful celebrity brand identity transformations in recent history.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

• Kylie Jenner (Kylie Cosmetics)
• Rihanna (Fenty Beauty)
• Jessica Alba (The Honest Company)
• Lady Gaga (Haus Laboratories)

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