Carrie Underwood is the most successful 'American Idol' singer of all time. She's married to NHL player Mike Fisher, and she loves her dogs Ace and Penny. These things you likely know, but the 10 items on this Things You Didn't Know About Carrie Underwood list will leave you shocked, amused and maybe a little terrified.

New stories about her childhood, her obsessions and her strange body marks are included in this collection of facts, as are details about her college days and the type of movie that would make her perfect date night. How many did you already know? If you are 10 for 10, consider yourself the ultimate Carriepedia!