A black-tie optional dress code for guests at an event requests you arrive in formal or semi-formal attire
But when he started to work with the jersey dress and when he started to do references to art, Mondrian, pop art and things like that, I think he started to find some distance from Dior. Incorporating designs that referenced the paintings of Andy Warhol, Roy Lichtenstein and Piet Mondrian (quadrilateral shapes and primary colors), Saint Laurent was of the moment
Sharon Stone Opera-length gloves may be trending right now, but this pair on Sharon Stone from 1993 proves that they were *always* a good idea
Eva Lady In black velvet Two-piece V-neckline at the front Lace on the front and back Decorative chains Lace on the entire hem Also available in burgundy 93% Polyester, 7% Spandex By Eva Lady
One clue that you can look for is to check the time of day of the event - If its in the evening, its more likely, but not guaranteed, to be a call for Black Tie but make that phone call to be sure