Which celebrity was caught using a competitor's product after signing a $50 million endorsement deal with a smartphone brand in 2013?

Celebrity endorsements can make or break a product launch. Sometimes these partnerships lead to massive success, while other times they end in PR disasters. This poll tests your knowledge of one of the most infamous product endorsement mishaps in pop culture history that taught brands a valuable lesson about choosing the right spokesperson and ensuring they actually use the product they're promoting.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Alicia Keys using an iPhone after becoming BlackBerry's Global Creative Director
David Beckham using an Android phone after signing with Apple
Beyoncé using a Zune after becoming the face of iPod
Taylor Swift using Spotify after partnering exclusively with Apple Music