Knee Length Cocktail & Party Dresses Bloomingdale's Semi Formal Dresses Chic Party Gowns The Dress Outlet Please help me pick! Dress code is semi formal cocktail attire with dresses below the knee or longer. Midwest wedding in June. : r Weddingattireapproval Women's Knee Length Semi Formal Cocktail & Party Dresses Macy's Gaecuw Womens Formal Dresses for Wedding Guest Crew Neck Short Sleeve Champagne Dresses Below the Knee Midi Dresses Swing Party Dress Lace Prom Dresses Flowy Graduation Dresses Solid Semi Formal Dress Semi formal wedding attire is a dress code that falls between cocktail and casual. It's polished but not overly dressy. For Women: Knee length or midi elevated dresses Dressy