Of these, not all of them are huge hits and some aren't even that familiar.
It is what it says it is: a collection of her greatest hits, all 13 of her Billboard charting singles, plus five other album tracks.
It's kind of shocking to realize that it took Virgin and Paula Abdul six full seasons of American Idol to capitalize on her resurgence of fame, but they finally got around to exploiting her back catalog with the release of the 18-track Greatest Hits: Straight Up! in May 2007, just as the sixth season was about to draw to a close.
