Which pop music superstar famously switched from endorsing Pepsi to becoming a brand ambassador for Coca-Cola in 2013, breaking what had been one of the longest-running celebrity endorsement deals in history?

Throughout pop culture history, celebrities and brands have formed powerful partnerships that shape consumer trends. But not all celebrity endorsements last forever! Some famous faces have switched allegiances in surprising ways, creating iconic marketing moments and sometimes controversy. Test your knowledge of these notable celebrity brand endorsements that made headlines in the entertainment world.

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Beyoncé
Taylor Swift
Britney Spears
Christina Aguilera