Kim Kardashian
Name a more famous person on planet earth other than Kim Kardashian. Her name is just everywhere you turn and no matter how hard you try to hide from her, she will find you. If not her, then one of the members of her family will appear in front of your face on some screen sooner or later.
She is the master of public relations and knows how to play the game more than anyone else in the industry. She has been able to keep her name alive for years now and has not let it slip from the spotlight. What else could you expect from a professional famous person?