One look at this photo and you know you're not looking at a fair fight.
But fair fights are no fun anyway, so let's do this thing. We shall call forth all of our wit and dub this fashion cagematch the Tale of Two Kates.
Hudson, meanwhile, is killing it in a Prabal Gurung that fits precisely the way it's supposed to, and she knows it, and we suspect Perry knows it too.
What do you think? Which look wins the night?