Brad Paisley is one of the biggest country stars of the millennium, and you may think you know all there is to know about this superstar and CMA Awards host. But did you know he almost failed guitar class in college? And do you know about the super, super sad breakup that led to him meeting wife Kimberly Williams-Paisley?

In this episode of 'You Think You Know Country,' fans will find out who first put a six string in Paisley's hand and how he felt about (hint: not great). You'll also learn about the bizarre bet the 'Celebrity' singer had with his college roommate, and you'll find out what his one vice is. He says he doesn't drink or smoke, but that's not entirely accurate.

Watch 'You Think You Know Brad Paisley' to test your knowledge of the singer and one-time CMA Entertainer of the Year before clicking the button below to test your Carrie Underwood knowledge.