Justin Bieber, Demi Lovato, Kendall Jenner & More Stars Attend Big Sean's Concert!

Justin Bieber hangs out with Kanye West and Big Sean before the latter’s show at the House of Blues on Saturday evening (February 7) in West Hollywood, Calif.

The trio was also joined backstage by Jennifer Lopez, Chris Brown, Kendall Jenner, Alfredo Flores, and more.

“After the show… This happened #houseofblues #bigSean,” J.Lo captioned a pic of the whole group.

Demi shared a video, writing, “#IDFWU… Such a good show. Happy for @bigsean and his success.. Nice guy and def. deserves it.” Watch below!

Earlier in the day, Alfredo shared a pic with Sean‘s girlfriend Ariana Grande, captioning it, “Wrapping up edits with this one before Grammy rehearsal”

10+ pics inside of Justin Bieber, Demi Lovato, Kendall Jenner at more at the show…