Be they tight and tiny or impressively voluminous, bows have replaced the necklace as the upper-body accent of choice. The Proenza Schouler duo topped off nearly all their silk blouses with double-knotted wonders, while Thakoon added gauzy scarflike numbers to enhance his ladylike looks. So why get wrapped up in this neckwear trend? Simple: By tying one on, you look pulled-together instantly.