Which celebrity endorsement deal is credited with increasing the brand's value by over $1 billion through what marketers now call the 'halo effect' in consumer behavior?

In the world of pop culture, celebrity endorsements can make or break product success. When stars align with brands, the impact can be astronomical - but not all endorsements are created equal. This poll explores one of the most successful celebrity-product partnerships in recent history that revolutionized how we think about influencer marketing in the entertainment industry.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

• Beyoncé's partnership with Pepsi
• George Clooney's deal with Nespresso
• Rihanna's Fenty Beauty with LVMH
• Dwayne 'The Rock' Johnson's Under Armour collection

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