This weekend on The iHeartRadio Countdown with Mario Lopez the very talented Jesse McCartney will be zooming into the show! He just finished up a run on FOX's 'The Masked Singer' and ended up in second place! Plus he just dropped a new single called 'Friends' which you can check out below. Jesse also talks quarantine life, the future of touring and much more! Plus we countdown the top 20, play some throwback classics and more!