Which celebrity's endorsement deal reportedly generated the highest return on investment (ROI) for a brand in history?

Celebrity endorsements have become a cornerstone of product marketing strategies. When famous personalities align with brands, it can dramatically shift consumer perception and purchasing behavior. But which celebrity endorsement campaigns have truly changed the game in terms of ROI and market impact? Test your knowledge about the intersection of fame and product advertising in this challenging trivia question!

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Michael Jordan's partnership with Nike (Air Jordan)
George Clooney's deal with Nespresso
Beyoncé's collaboration with Pepsi
Taylor Swift's endorsement of Apple Music