Which brand ambassador partnership holds the Guinness World Record for the longest continuous celebrity endorsement relationship?

Brand ambassadors can significantly impact a company's visibility and success. In the realm of world records, some brand ambassador partnerships have made history by achieving unprecedented milestones in reach, longevity, or financial impact. Test your knowledge about these remarkable marketing relationships that have earned their place in record books.

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Michael Jordan with Nike (since 1984)
Hervé Villechaize with Dunkin' Donuts (1982-2001)
Poppy Stainsby with Homepride Flour (since 1964)
Betty White with Geico Insurance (1997-2021)