Jackie Evancho
With the voice of an angel, America's Got Talent finalist Jackie Evancho stole the show with her beautiful rendition of "Pie Jesu" in October 2010.

Ten-year-old Jackie's debut album shot up the charts, and her follow-up CD is due out in spring 2011.

More from the show
Are you smarter than these whiz kids?
See which performers got our toes tapping over the years
10 pint-sized musicians who struck a chord with viewers