Justin Bieber dropped his new single 'Boyfriend' at midnight Monday morning, and the 'Beliebers' went crazy.

Touting a deeper voice, and more rhythmic sound, Justin is gearing up for his first "post-puberty" CD.

The reaction so far has been huge with everyone from Mac Miller to Ryan Seacrest hitting him up on his Twitter.

Bieber spent the night on Sunday tweeting lyrics to the upcoming single, driving his fans into a frenzy.

Biebs tweeted about how he was feeling on the night of the release.



You can grab the song from iTunes here, or just check it out below and let us know what you think.

Justin Bieber - 'Boyfriend'