Which celebrity pioneered the 'ownership over endorsement' brand strategy by insisting on equity in Vitamin Water rather than a traditional endorsement fee, resulting in a reported $100+ million payday?

Throughout history, celebrities have transformed themselves from mere entertainers to powerful brand architects. Some have revolutionized entire industries through strategic product development and innovative marketing approaches. This trivia question explores how one famous figure fundamentally changed the landscape of celebrity endorsements and brand collaborations, creating a blueprint that countless others have since followed.

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50 Cent
Ashton Kutcher
Oprah Winfrey
Jay-Z