Carrie Underwood’s Dramatic Transformation: From Country Girl to Glam (PHOTOS)

Carrie Underwood and The Sound of Music? These are a few of our favorite things!

Set your DVRs, because the American Idol star is playing Maria von Trapp in a three-hour live broadcast of the 1959 musical on NBC tonight at 8 p.m. ET, Carrie is the first to admit that she's not Julie Andrews (the original Maria von Trapp in the movie version of Sound of Music), but we still think she'll be great in the role.

So since we're going back to the 1940s tonight, why not also take a look back at Carrie Underwood through the years? Click through the gallery to see how much the singer has changed from her days on American Idol to now!