Issa Rae will host for the first time on October 17. Rae is the creator, star, and executive producer of the award-winning HBO comedy series "Insecure."
Justin Bieber will make his fourth appearance as "SNL" musical guest. Bieber's latest track, "Holy," featuring Chance the Rapper, reached #1 on the Spotify Global Chart and was streamed over 120 million times in its debut week.