Which celebrity's beauty brand reached $1 billion valuation fastest, largely due to their innovative 'drop model' product launch strategy that created artificial scarcity?

Many celebrities have ventured into product launches with varying degrees of success. Their approach to introducing new products often reveals interesting marketing strategies that can make or break a brand. This trivia question explores how one particular celebrity utilized a unique product launch approach that significantly contributed to their brand's success. Test your knowledge about celebrity entrepreneurship and product launch tactics!

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Kylie Jenner with Kylie Cosmetics
Rihanna with Fenty Beauty
Lady Gaga with Haus Laboratories
Jessica Alba with Honest Beauty