Which celebrity holds the record for the longest continuous brand ambassador relationship with a luxury fashion house, serving in this role for over 20 years?

Brand ambassadors are crucial in modern marketing, especially when they're celebrities with massive followings. These partnerships can transform a brand's image and reach overnight. But how well do you know the strategic considerations behind these high-profile collaborations? Test your knowledge about a famous celebrity endorsement that broke records and challenged traditional brand ambassador relationships.

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Nicole Kidman for Chanel
Charlize Theron for Dior
Jennifer Lopez for Coach
Catherine Deneuve for Yves Saint Laurent