long silk white dress STAUD, Freda in Ivory, Size 4 open scoop back with tie spaghetti shoulder strap support that have a trendy bow tie detail which helps adjust the straps Honey Silk | Open Back

If the invitation simply states Formal, it is wise to clarify with the host if black tie is expected, though it often is

Generally speaking, there will be a dress code stated, giving you a marker against which to gauge what is and isnt appropriate

33824 - Illusion Neckline Bead Appliqued Long Sleeves Burgundy Formal Evening Gowns - Custom Color Style: 33824 Closure: Zipper Details: Appliques, Beads Fabric: Elastic Satin Neckline: Illusion Neckline Silhouette: A-line IFDRESS Finn Maxi Dress - Plunge Neck Sheer Sequin Slip Dress in Wine | Showpo USA SHOWPO Piet Evening Strapless corset with hand draped skirt

Fully lined and finished with an invisible zip at the left side seam for a seamless look

Banana Republic Mock-Neck Wrap Sweater Dress Turn heads in this fiery-red dress

Avoid heavy bracelets that compete with sleeve designs