Which pop star famously switched from being a Pepsi brand ambassador to become the face of Coca-Cola less than a year later, causing a major stir in beverage marketing circles?

In the ever-evolving world of pop culture, celebrity brand ambassadorships can make or break a product's image. These partnerships are carefully crafted to align a star's persona with a brand's values, but occasionally, these relationships take unexpected turns. This trivia question tests your knowledge about one of the most famous brand ambassador switches in recent pop culture history, revealing how quickly allegiances can change in the celebrity endorsement game.

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Beyoncé
Selena Gomez
Taylor Swift
Justin Bieber