Road trip! Tune in to this weekend's episode of CMT Hot 20 Countdown as we travel to Des Moines, Iowa, for Florida Georgia Line's Dig Your Roots Tour. We'll catch up with the guys, along with their opening acts, Cole Swindell, The Cadillac Three, and Kane Brown. Plus, Cam, Martina McBride, Kelsea Ballerini, Jason Aldean and Florida Georgia Line take part in a new edition of Celebrity Chain Mail. You won't want to miss their candid answers. Then we get to know one of CMT's Listen Up artists as we sit down with Tucker Beathard. Enjoy all this and more Saturday and Sunday mornings at 9/8c.