There's no better way to kick off a new year than with a brand new episode of CMT Hot 20 Countdown. Tune in this week to find out how Thomas Rhett maintains a strong marriage while out on the road. Plus, we salute the troops with a patriotic edition of High 5 and reveal some of the most hated pet names. And as always, we have the hottest celebrity news and your favorite music videos. Don't miss it.