Which famous athlete famously switched from Adidas to Under Armour in 2013 after Adidas reportedly offered only $2 million per year, while Under Armour offered $4 million annually?

Celebrity endorsements can transform a brand's identity and reach, often becoming inseparable from the product itself. But these partnerships aren't always smooth sailing! From surprise contract terminations to controversial campaigns, the world of celebrity product endorsements is filled with fascinating stories and unexpected twists. Test your knowledge about one of the most talked-about celebrity endorsement switches in recent history!

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Stephen Curry
LeBron James
Serena Williams
Cristiano Ronaldo