Monster (Shawn Mendes & Justin Bieber) - Official Teaser

New Single MONSTER (Shawn Mendes & Justin Bieber) out now: https://monster.lnk.to/single Follow Justin: http://facebook.com/justinbieber http://twitter.com/justinbieber http://instagram.com/justinbieber Sign up for Justin’s newsletter: http://justinbiebermusic.com Follow Shawn: https://www.facebook.com/ShawnMendesOfficial/ https://twitter.com/ShawnMendes https://www.instagram.com/shawnmendes/ #Monster #JustinBieber #ShawnMendes