Which celebrity brand ambassador partnership resulted in a reported 30% increase in sales within the first year of collaboration?

Brand ambassadors can significantly impact a company's image and sales. Celebrities bring their existing fan base and influence to promote products, creating powerful marketing synergies. This trivia tests your knowledge about notable brand ambassador partnerships that changed the game for major companies. Do you know which celebrity collaborations created the biggest impact in the business world?

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Rihanna with Puma (Fenty line)
Taylor Swift with Diet Coke
George Clooney with Nespresso
David Beckham with H&M