Which celebrity was NOT an official brand ambassador for the brand they're associated with, despite widespread belief they were?

The partnership between celebrities and brands can make or break marketing campaigns. When done right, a celebrity ambassador enhances a brand's image and dramatically increases its reach. These relationships are carefully crafted based on shared values, target audiences, and brand positioning. Test your knowledge of some of the most impactful celebrity brand partnerships that have shaped consumer trends and marketing strategies in recent years.

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Jennifer Aniston for Aveeno skincare
Beyoncé for Pepsi
Keanu Reeves for Porsche
Serena Williams for Nike