Which celebrity endorsement campaign is credited with increasing the endorsed product's sales by over 700% in just one year?

Celebrity endorsements have been a cornerstone of brand marketing for decades, but their impact varies significantly. This trivia question explores how celebrity partnerships influence consumer psychology and purchasing decisions. Studies show that effective celebrity endorsements can increase sales by 4-20% depending on the industry and target demographic. How well do you understand the psychology behind star power in retail?

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Michael Jordan's partnership with Nike for Air Jordan (1985)
Kylie Jenner's promotion of Kylie Cosmetics (2015)
George Clooney's collaboration with Nespresso (2006)
Taylor Swift's endorsement of Apple Music (2016)