iHeartRadio Countdown - Weekend of January 13th, 2018

It's another big weekend on The iHeartRadio Countdown with Mario Lopez! We have several countdown debuts including new songs from Bruno Mars AND Justin Timberlake. Plus can anyone dethrone Ed Sheeran who has been sitting at the top for over a month now!? We'll do all that, play some throwback classics and more! Tune in!

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