If it's happening in country music, it's happening on the all-new CMT Hot 20 Countdown. The weekly, two-and-a-half hour series is hosted by CMT favorites Cody Alan and Katie Cook, who will count down the 20 biggest music videos with the hottest news stories, in-studio live performances and candid interviews from country music's biggest superstars and up-and-coming artists. Fan participation is a key component to the show, as fans are able to interact with hosts Alan and Cook via extensive social media integration on Twitter using hashtag #CMThot20, Facebook and Instagram. Those interested in becoming part of the live, studio audience can email audience@cmt.com for details.