Ariel may just be fashion's newest muse, as top designers channeled her underwater world for their spring lines. While Alexander Wang used actual chunks of coral in his orange gown, Versace's get-up starred digital imagery of mermaids and seahorses. In fact, we counted over 30 dresses drenched in ocean blues or seaweed greens. ! When the giant clam shells got involved (Florence Welch sang from within it at Chanel), we declared it: Time to subscribe to FOAM!