CMT Top 20 Countdown   -  About the Episode

Tune in to this week's Top 20 Countdown as host Evan Farmer brings you all your favorite country hits. And you won't want to miss a bonus video as we show the debut video from the Harters, "If I Run."

Also on the show, enjoy an exclusive sneak peek of the new film No Strings Attached, starring Ashton Kutcher and Natalie Portman. Plus we'll unveil Taylor Swift's new version of her beautiful ballad, "Back to December." Then find out how Alan Jackson showed his gratitude to Zac Brown Band, and get the story behind Thompson Square's name.

Check out videos from Rascal Flatts, Jerrod Niemann and Reba McEntire on Top 20 Countdown. See photos from the set and more.