Question: what was the number one song on august 31st 2017
Answer: '' Kendrick Lamar May 13 `` That 's What I Like '' Bruno Mars May 20 `` I 'm the One '' DJ Khaled featuring Justin Bieber , Quavo , Chance the Rapper and Lil Wayne May 27 `` Despacito '' Luis Fonsi and Daddy Yankee featuring Justin Bieber June 3 June 10 June 17 June 24 July 1 July 8 July 15 July 22 July 29 August 5 August 12 August 19 August 26 September 2 September 9 September 16 `` Look What You Made Me Do '' Taylor Swift September 23 September 30 October 7 `` Bodak Yellow ( Money Moves ) '' Cardi B October 14 October 21 October 28 `` Rockstar '' Post Malone featuring 21 Savage November 4 November 11 November 18 November 25 December 2 December 9 December 16 December 23 `` Perfect '' Ed