Which celebrity's smartphone line failed spectacularly in 2013, selling fewer than 100,000 units despite a $20 million marketing campaign and being pulled from the market after just one month?

Even the biggest celebrities aren't immune to product failures. This poll tests your knowledge about famous people who ventured into product development only to face significant market rejection. Behind every successful celebrity entrepreneur are numerous others whose star power couldn't save their merchandise from flopping. Test your knowledge about these notable product failures from the world of celebrity business ventures!

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

Alicia Keys' BlackBerry Creative Director line
Lady Gaga's Polaroid camera glasses
Will.i.am's Puls smartwatch/phone hybrid
Robert Downey Jr.'s HTC First Facebook phone