Which celebrity's product endorsement deal is considered the most financially successful in history, reportedly earning them over $1 billion in royalties?

Celebrity endorsements have become a cornerstone of product marketing in pop culture, with some deals generating astronomical value for both brands and stars. These partnerships can transform product perception overnight and create cultural phenomena. This trivia question explores one of the most financially successful celebrity endorsement deals in recent history that revolutionized how we think about stars and their product partnerships.

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Michael Jordan with Nike (Air Jordan)
Kylie Jenner with her Kylie Cosmetics line
George Clooney with Nespresso
Beyoncé with Pepsi