<p>Maybe it was because the arena was filled with die-hard sports fans, and not his usual audience of tweens.</p>
<p>Whatever it was, pop star Justin Bieber was loudly booed at Wednesday night’s Knicks game at Madison Square Garden.</p>
<p>A video making the rounds on YouTube shows the footage from the game, and the commentators can be heard joking about the loud Bronx cheer. The crowd erupted as when the singer was shown wearing pink glasses on the overhead scoreboard.</p>