#TheLIST: Fashion Has Gone Somewhere Over The Rainbow: This spring trend is here to brighten all our days.  Channel your inner flamenco dancer with a ruffled, one-shoulder top that brings on the color. Philosophy di Lorenzo Serfani top, $395, net-a-porter.com. Tops, Cotton Poplin, Cotton Poplin Top, Poplin Top, Poplin, Green Ruffle Top, One Shoulder Tops, Ladies Top Design, Tops Designs