A. At a black tie optional affair, men wear tuxedos or dark suits and women wear everything from gowns to dressy cocktail dresses. Slacks can be difficult to pull off, but if you choose to go this route, make sure that they are dressy evening pants and pair them with a glamorous top, great jewelry and heels.
Since you want to dress to impress, a dress always offers the greatest impact. Look for luxe fabrics and special details. Here are a few black tie optional choices that demonstrate the range of appropriate attire:

2. Adrianna Papell Shutter Pleat Satin Dress, $158 at nordstrom.com
3. JS Boutique Beaded Waist Cutaway Dress, $158 at nordstrom.com
4. Carmen Marc Valvo Satin Pants, $210 at saks.com

