This weekend on The iHeartRadio Countdown with Mario Lopez rising super star Ava Max will be checking into the show! Her smash hit single 'Kings & Queens' is rising on the charts, her Christmas song is getting tons of love and she has some big plans for 2021! So we'll catch up with her and talk all about that, countdown the top 20 songs and play some of Mario's favorite throwback classics. Tune in!
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