The first question is what do you wear to a black tie optional wedding vs black tie?
For a black tie only woman can wear a floor length dress or a dressy cocktail dress. For a black tie optional woman can wear a floor length dress, a dressy cocktail dress or an evening suit.
For black tie men need to wear a tuxedo. For black tie optional men can wear a tuxedo or a dark colored suite.
There are a lot of great dresses and suites that are coming out and perfect for a black tie or black tie optional weddings! Here are some of my favorites.
Woman

www.nicolemiller.com
$475

Neiman Marcus
$365

Bloomingdales
$420

Bloomingdales
$188

Sacks Fifth Avenue
$396
Men

J.Crew
Bloomingdales