Which pop star famously switched from being a Pepsi ambassador to signing a controversial $50 million deal with Coca-Cola in 2013, breaking one of the longest-standing celebrity endorsement traditions?

In the world of pop culture, celebrities often become the face of major brands, creating iconic partnerships that sometimes define both the star and the product. But what happens when these partnerships end unexpectedly? Test your knowledge about famous celebrity brand ambassador changes that made headlines in the entertainment world. Do you know which stars jumped ship from one brand to another or were dramatically replaced?

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Beyoncé
Taylor Swift
Justin Timberlake
Lady Gaga