Alessia Cara has a number one song.
Alessia Cara . In 2016 , her single `` Scars to Your Beautiful '' reached the top ten on the Billboard Hot 100 and topped the US pop radio charts . In 2017 , Cara collaborated with producer Zedd to create the single `` Stay '' , which has since reached number 7 on the Billboard Hot 100 , making it her third top ten song . Zedd . Zedd 's best-known productions to date are the songs `` Clarity '' featuring Foxes which charted at number 8 on the Billboard Hot 100 and at number one of the US Hot Dance Club Songs ; and `` Break Free '' , a song which peaked at number 4 on the Billboard Hot 100 and number 1 on the Hot Dance/Electronic Songs , becoming his second song to do so before `` I Want You to Know '' .