Midi dresses offer the perfect solution for cold-weather fashion dilemmas. And with midi dresses popping up everywhere from Fashion Week runways to red carpets to our social media feeds, now’s the time to jump on the bubbling trend. No matter your personal style, we found 17 ultra-trendy midi dresses that will help achieve your fashion goals while providing more coverage this winter. 17 Ultra-Trendy Midi Dresses Earning Praise From Paris to NYC1. Trendy Appeal: This Astr the Label midi dress features a buzzy tie-neck design that A-listers are obsessed with.