From royals like Kate Middleton to actresses Keira Knightley and Janelle Monae, and blogger Aimee Song, the skirt suit is slowly taking the fashion reigns. It's also a chameleon: pulled-together and ladylike from Chanel, boardroom-ready by Altuzarra, young, fun and ready to pose for your Insta shot by Tibi. Whether you're in for flirty minis or something more official—shop 5 that get the job done.