iHeartRadio Countdown

2 1 Maroon 5 ft. Kendrick Lamar – “Don't Wanna Know” 1(×1) 11

1 2 Ariana Grande ft. Nicki Minaj – “Side To Side” 1(×2) 11

4 3 Alessia Cara – “Scars to Your Beautiful” 3 11

3 4 The Chainsmokers ft. Halsey – “Closer” 1(×6) 20

5 5 Hailee Steinfeld & Grey ft. Zedd – “Starving” 5 13

7 6 Machine Gun Kelly & Camila Cabello – “Bad Things” 6 5

6 7 The Weeknd ft. Daft Punk – “Starboy” 2 13

10 8 Rihanna – “Love on the Brain” 8 7

9 9 DJ Snake ft. Justin Bieber – “Let Me Love You” 1(×2) 17

8 10 Bruno Mars – “24K Magic” 4 11

11 11 ZAYN & Taylor Swift – “I Don't Wanna Live Forever (Fifty Shades Darker)” 11 2

15 12 Niall Horan – “This Town” 12 8

12 13 Sia ft. Kendrick Lamar – “The Greatest” 10 11

14 14 The Weeknd ft. Daft Punk – “I Feel It Coming” 14 2

13 15 Twenty One Pilots – “Heathens” 1(×3) 17

17 16 Jon Bellion – “All Time Low” 13 11

16 17 Rae Sremmurd ft. Gucci Mane – “Black Beatles” 16 3

18 18 Shawn Mendes – “Mercy” 18 6

20 19 Adele – “Water Under the Bridge” 19 2

19 20 Martin Garrix & Bebe Rexha – “In the Name of Love” 15 8