Carrie Underwood has been a mainstay in country music since winning Season 4 of American Idol in 2005. Unlike artists who scraped their way to the top, the 34-year-old became an instant superstar, but she has more than the reality show to thank. The star's powerhouse vocals are what she's known for, and they've solidified her presence in the industry. However, we're betting there's more to this gorgeous blonde than you know ...

Underwood's first full-length studio album Some Hearts was released after her Idol success, but she actually recorded other records before that one. Find out the name of her independent album, what gives her panic attacks, who she used to date and the 5-piece vocal group she joined early on, along with other interesting and overlooked tidbits about Carrie Underwood in this edition of You Think You Know Country?