This weekend on The iHeartRadio Countdown with Mario Lopez Noah Cyrus will be stopping by! She is set to perform her new single 'Make Me Cry' at Sunday night's iHeartRadio Music Awards with Labrinth! Plus she's working on her debut album as we speak. So we'll catch up with her, countdown the top 20 and see if Ed Sheeran can remain at #1 for a fourth straight week! Tune in!