The world's biggest stars including the likes of Ed Sheeran, Alessia Cara, Katy Perry and Tove Lo guest host the iHeartRadio Countdown with JK (Jack Laurence) every week, counting down the weeks 20 hottest thumbed up songs as voted by YOU on iHeartRadio!
97.3's Bianca Terry and Bob
BTB 20-10-17 Do you know...20/10/2017
BTB 19-10-17 Whistleblow...19/10/2017
We Speak To A Rescue Wor...19/10/2017