Which celebrity product endorsement is credited with increasing the endorsed company's stock value by approximately $4 billion within 24 hours of announcement in 2018?

Celebrity endorsements have shaped product marketing for decades, creating some of the most iconic campaigns in retail history. These partnerships can dramatically transform a brand's market position and consumer perception. How well do you understand the financial impact of these high-profile collaborations? Test your knowledge of how celebrity influence translates to product success!

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Kylie Jenner's partnership with Adidas
Rihanna's Fenty Beauty line with LVMH
Kylie Jenner's negative tweet about Snapchat
George Clooney's sale of Casamigos tequila to Diageo