The world of celebrity beef doesn't merely extend to just rappers. For years there have been many feuds between celebs of all kinds, including sports rivals as well as singers and actors. But regardless of anyone who has ever encountered a petty beef in their careers, there's truly no one pettier than the one and only 50 Cent. The beef he has conjured up with fellow celebrities has been both hilarious and legendary. And he has never cared what he says out of his mouth.