After attending the NYC premiere for his new movie “Never Say Never,” teen Pop sensation Justin Bieber hit up Madison Square Garden to watch the New York Knicks vs. Dallas Mavericks basketball game. Joined by professional Hockey player Henrik Lundqvist and his grandpa, Bieber watched the Knicks get defeated by the Mavericks, 113 to 97.

JB also shook hands with film director Spike Lee (who also attended his “Never Say Never” premiere), and he and Henrik posed for a quick picture with actor/comedian Chris Rock and his kids. But not everyone was happy to see the Biebs at the game.

According to sources, as the camera panned to the “Baby” singer during a time-out, the crowd boo’d him! One commenter said: “Why would you boo the kid?” to which his colleague replied “The boos are from the guys, the cheers are from the girls.”

Check out a few pics of Justin Bieber and others at the game below!