article via http://justinbieberalbania.com Justin Bieber made a surprise appearance at Big Sean’s show yesterday night, in West Hollywood, CA. With Jennifer Lopez, Demi Lovato, Kylie Jenner, Chris Brown, Kanye West, Alfredo Flores and many more present, the show seemed like a celebrity meet up.
Demi Lovato posted a group picture of them all hanging out together and in a video she posted saying

#IDFWU … Such a good show. Happy for @bigsean and his success.. Nice guy and def. deserves it.