Full Video Song Watch Justin Bieber Raps About Tom Brady's Haircut In New Song -

This kid just does it all, huh? Justin Bieber is known for eliciting squeals from tweens by way of singing and dancing. But last night the Biebs made his debut as a rapper. Over

NEW YORK — Even Justin Bieber is making fun of Tom Brady's hair.

The New England Patriots quarterback's long locks have been mocked for resembling that of the teen pop sensation – and now Bieber himself is piling on.

In a video posted by Bieber late Wednesday, he raps: "Sacked like a sacker. Call up Mr. Brady. Tell him to leave his hair to the guy who sings 'Baby.'"“Call up Mr. Brady,” Bieber spits as he gets into quarterback stance. “Tell him leave his hair to the guy who sings ‘Baby‘.” It’s all in good fun, of course. Don’t expect a rap album from Bieber any time soon. “I just wanted to do this just to prove that I have skills on the rap game,”