Lagu ini memuncak di nomor 9 di [[Billboard Hot 100]], yang menjadikan lagu kedua Puth dan lagu keenam Gomez yang berhasil memasuki Top 10 tangga lagu Amerika Serikat. Lagu ini juga mencapai posisi 10 besar di lebih dari 20 negara dan mencapai nomor satu di Italia, Lebanon, Serbia dan Rumania.
==Latar Belakangbelakang==
Puth menciptakan lini gitar saat melakukan perjalanan di Jepang. DiaIa menghasilkan beat di Filipina dan merekam suaranya di Los Angeles.<ref>{{cite web|last1=Schillaci|first1=Sophie|title=EXCLUSIVE: Charlie Puth Reveals the Crazy Story Behind His Selena Gomez Collaboration, 'We Don't Talk Anymore'|url=http://www.etonline.com/news/180401_exclusive_charlie_puth_reveals_the_crazy_story_behind_his_selena_gomez_collaboration/|website=Entertainment Tonight|accessdate=January 29, 2016|date=January 19, 2016}}</ref> Sebulan kemudian Puth memainkan lagu untuk [[Selena Gomez]],<ref>{{cite web|title=Charlie Puth Dishes On New Song With Selena Gomez: We Don't Talk Anymore|url=https://www.youtube.com/watch?v=5DC9pPh5OGQ|accessdate=January 29, 2016|date=December 14, 2015}}</ref> yang pernah dia temui sebelumnya di sebuah pesta setelah acara [[MTV Video Music Awards]].<ref name="metro">{{cite web|title=Charlie Puth wrote most of 'Nine Track Mind' from his lawyer's house|url=http://www.metro.us/entertainment/charlie-puth-wrote-most-of-nine-track-mind-from-his-lawyer-s-house/zsJpaA---j8iPyckR/|website=[[Metro New York|Metro]]|accessdate=January 29, 2016|date=January 28, 2016}}</ref> Dia berpikir bahwa suara mereka saling melengkapi dengan baik<ref name="metro"/> dan kemudian memintanya untuk menyanyikan bait kedua. Suara Gomez direkam di lemari Puth.<ref>{{cite web|last1=Nelson|first1=Jeff|title=The Story Behind Charlie Puth and Selena Gomez's Hot New Single: 'She Recorded It in My Closet'|url=http://www.people.com/article/charlie-puth-selena-gomez-we-dont-talk-anymore-recorded-in-closet|website=[[People (magazine)|People]]|accessdate=January 29, 2016|date=January 26, 2016}}</ref> Sesi rekamannya berlangsung sekitar 15 menit.<ref name="usa today">{{cite web|last1=Mallenbaum|first1=Carly|title=What we know about Selena Gomez and Charlie Puth's forthcoming collab|url=https://www.usatoday.com/story/life/entertainthis/2016/01/11/what-we-know-selena-gomez-and-charlie-puths-forthcoming-collab/78648190/|website=[[USA Today]]|accessdate=January 29, 2016|date=January 11, 2016}}</ref> Pada tanggal 10 Desember 2015, Puth memposting cuplikan lagu yang mengumumkan kolaborasi dengan Gomez.<ref>{{cite web|last1=Roth|first1=Madeline|title=Selena Gomez Grabs On To Charlie Puth While Teasing Their New Duet|url=http://www.mtv.com/news/2685337/selena-gomez-charlie-puth-tease-duet/|website=MTV|accessdate=January 29, 2016|date=December 10, 2015}}</ref> Pada tanggal 10 Januari 2016, Puth memposting sebuah teaser kedua.<ref name="usa today"/>
