CMT Hot 20 Countdown has your front row seat to Kenny Chesney's Instant Jam special. Tune in for an exclusive performance from the superstar as he takes the stage in Athens, Georgia. Plus, Tyler Hubbard puts a ring on it. Get details on his sweet proposal to Hayley Stommel. We'll also tell you about the dirty jobs some of country's hottest artists held before making it big, and we'll give a High 5 to country's triple threats. Don't miss this and much more Saturday and Sunday mornings at 11/10c.