I can see why he'd be mad..
His ass was laid by a chicken egg and Lady GaGa being in an egg at the Grammy's brought back his nightmares of the horrifying memory of how he isn't actually a human.
First off, let's let Justin Bieber have his opinion with diving down his throat. I don't like him, but he is entited to think whatever the hell he wants....
Secondly, why is it every thread that's Gaga related do people feel the need to bring up Britney Spears?