Sure, Harry Styles, you might make millions of girls cry just by breathing your sweet breath, you have a signature perfume, your loyal legion of fans send death threats to your enemies and throw tampons of adoration at your feet. But you know what can make any megastar feel completely irrelevant? Meeting Naomi Campbell. When Kate Moss introduced the supermodel and the One Direction star at the London 2012 Olympics, Campbell quickly asked, "Whose son is he? Is he one of our model friends' kids that I just missed out on? I didn't know who he was." The verbal equivalent of a cell phone to the face, huh?