dress blue long Simple Front Split Light V-neck Elegant Prom Dresses Light Blue Sweetheart Neckline Sleeves Blue A-Line Tulle Long Prom

Nothing poses a getting-ready quandary quite like black tie optional. Its vague and can result in guests wearing a hodgepodge of looks that are all over the map when it comes to levels of formality, Alexandra Macon, Vogue contributing editor and co-founder of wedding e-commerce site Over the Moon says

But you can easily style it with a black vest to match your dress, or have fun with a beige or white one for warmer fall days

Best suited wedding themes include

The Car Coat The Modern Choice Shorter than an overcoat but more structured than a jacket, the car coat hits at mid-thigh

Layered Dress A layered dress features multiple layers of fabric, creating a textured and dynamic look

These decorative borders serve a brilliant dual purpose