Billie has long since admitted she is a huge fan of Justin Bieber. She has given interviews about her admiration for the Canadian popstar and has posted on her social media accounts photos of the two of them together, one most recently when they met at the Coachella festival earlier this year.

Bad Guy” was first released by Eilish is March as part of her debut studio album. The pair has long been rumored of working on a song together and a remix of “Bad Guy” has finally dropped last Thursday. Eilish, 17, and Bieber, 25, newest collaboration is a remix version of the teen’s alternative/ indie song, with Bieber singing new lyrics on the second verse.

In a post on Instagram following the song’s release, Eilish shared her excitement by posting a throwback photo of herself wearing a rainbow sequined dress while posing in front of a wall covered in posters of Bieber.