Which celebrity pioneered the 'lip kit' concept that revolutionized cosmetics packaging, selling out inventory in under a minute during its 2015 launch and helping build a billion-dollar beauty empire?

Many celebrities have leveraged their fame to create successful retail brands and product lines. From fashion to beauty, fitness to food, these famous figures have transformed their personal brands into retail empires with innovative marketing and merchandising strategies. Test your knowledge about these celebrity retail ventures and their impact on consumer shopping habits and brand loyalty.

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Kylie Jenner
Rihanna
Lady Gaga
Jessica Alba