Which celebrity's 2017 product endorsement led to a 30% stock price drop for the brand after a controversial commercial that was widely criticized as tone-deaf and insensitive?

In the world of pop culture, celebrity endorsements can make or break a product. Companies spend millions to secure the right famous face for their brand, but sometimes these partnerships go spectacularly wrong. This trivia question explores one of the most infamous endorsement backfires in recent pop culture history that dramatically affected both the celebrity's image and the product's sales.

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Kendall Jenner for Pepsi
Justin Timberlake for Bai beverages
Taylor Swift for Apple Music
Kevin Hart for Nike