iHeartRadio Countdown - Grave VanderWaal Stop By! (March 23rd, 2019)

This weekend on the iHeartRadio Countdown with Mario Lopez the very talented Grace VanderWaal will be stopping by the studio! She won AGT a couple years ago and her career has exploded since. She's talking new music, touring and more. So we'll catch up with her, countdown the top 20, play some throwback classics and more!

Mario's iHeartRadio Countdown

Mario's iHeartRadio Countdown

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