This weekend on The iHeartRadio Countdown with Mario Lopez the very talented Robin Thicke will be stopping by the show! He's got a couple new singles out, a new album on the way and talk of a tour as well! So we'll catch up with him and learn all about his music plans for 2019! Plus Mario will play some of his favorite throwbacks and of course countdown the top 20 songs in the country! Tune in!