After scoring a no. 1 hit song earlier this year, Billie Eilish is enjoying worldwide music success at the tender age of 17. This week, young Billie got her wishes as Justin Bieber jumped on the official remix for her “Bad Guy” single. In an interview with Entertainment Weekly, she revealed that she’s been a die hard of the Biebs since 12 – with Justin even revealing a 2014 DM he received from her as well. Take a listen to their first collaboration below.