Which celebrity's endorsement deal with Procter & Gamble for Olay resulted in the brand increasing its market value by approximately $1 billion within the first year of partnership?

Celebrity endorsements can make or break a product's success in the market. From Michael Jordan's Air Jordans to George Clooney's Nespresso ads, famous faces have been linked to iconic marketing campaigns. This trivia question tests your knowledge about one of the most financially successful celebrity endorsement deals in retail history. Do you know which stars truly transformed a brand's fortune?

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• Jennifer Aniston
• Katie Holmes
• Kerry Washington
• Sarah Jessica Parker

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