RANK: Kanye West, Mariah Carey, Justin Bieber, Oh My! Which A-Lister Has The Worst Ego?!

Mariah Carey refuses to be seen in fluorescent lighting without sunglasses. Justin Bieber seemed to insinuate that he IS God. Kanye West has compared himself to almost every great mind ever.
Obviously, these three have heads that are about as big as their celebrity status.
Related: Celebs Who’ve Put Their Foot In Their Mouths!
And we can only kind of blame them, since we doubt they can even remember the last time anyone even told them “no.”
But these musicians aren’t the only A-listers with unbearable egos! Who do U think is the absolute worst?! Rank them (below)!