Which celebrity's partnership with a retail brand is credited with increasing the company's value by approximately $1 billion through what is now known as 'The Kardashian Effect'?

Celebrity endorsements can transform a brand's visibility and sales. In the retail world, some famous people have created such powerful partnerships with brands that they've actually changed consumer trends and shopping behaviors. This poll tests your knowledge of one of the most financially successful celebrity-brand partnerships in retail history that revolutionized how companies leverage famous personalities.

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Kylie Jenner with Kylie Cosmetics
Rihanna with Savage X Fenty
Kim Kardashian with Skims
Beyoncé with Ivy Park