Hey pop music experts -- how well have you been paying attention to the AMAs?
By letting fans decide who wins each award via popular vote, there's a sense of democracy to the American Music Awards, which will be held this year from Nov. 23 from the Nokia Theatre in Los Angeles. That "fan rule" mentality has led to some star-studded shows through the years, allowing for plenty of juicy Billboard trivia.
If you're done voting for this year's winners, we've got 10 questions to test your knowledge on all things AMAs. You'll never guess who took off his pants during… well, we don't want to give anything away. Before you watch the AMAs at 8 p.m. (ET) on ABC Sunday, let's see if you can score a passing grade.