Bieber and Khalil were partying at a club in Miami and at the time the pair was leaving, a video footage shows the star's friend getting upset with the crowd and mimicking shooting a gun, reported Aceshowbiz.
The 'Baby' hitmaker on the other hand, is seen being nice with his fans during his way out of the club. Bieber also posed with some of his fans for pictures.
Bieber posted two pictures featuring him and his fans on Instagram on the same day, captioning it, "#beliebersunite".