Which famous athlete famously refused a Coca-Cola endorsement worth millions in 1998, stating 'Water is the best beverage. I drink water, and my kids drink water' before later accepting a Pepsi deal?

Throughout history, famous personalities have lent their star power to elevate brands through strategic product endorsements. These partnerships often represent significant investments and can dramatically transform a product's market position. Test your knowledge of iconic celebrity-brand partnerships that changed advertising history and set new standards for product promotion strategies.

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Cristiano Ronaldo
Michael Jordan
Tiger Woods
Serena Williams