* Chaz Somers: Chaz Somers is a Canadian singer-songwriter who has been a backup singer for Justin Bieber since 2012. He has also toured with him on multiple occasions and has appeared in several of his music videos.
* Cydney Wallace: Cydney Wallace is an American singer-songwriter who has been a backup singer for Justin Bieber since 2013. She has also toured with him on multiple occasions and has appeared in several of his music videos.
* Mike Posner: Mike Posner is an American singer-songwriter who has been a backup singer for Justin Bieber on multiple occasions. He has also toured with him on multiple occasions and has appeared in several of his music videos.
* Dan Kanter: Dan Kanter is an American songwriter and record producer who has been a backup singer for Justin Bieber on multiple occasions. He has also toured with him on multiple occasions and has appeared in several of his music videos.