Nail trends have become so much more than the hottest colors of the season, or perhaps a new longer-lasting polish formula. Nail art is a thing, just look at Pinterest. And it's not the same air-brushed, out-of-touch thing you used to see on the walls of the quickie mani spot down the street. Your manicure has become the latest cheeky, irreverent accessory. You've gotta have a cute one or don't bother. Let's put it this way: red carpet coverage now includes a mani-cam, so you know things are getting serious.