A BLACK TIE invitation calls for formal attire. Men wear tuxedos, women wear cocktail, long dresses or dressy evening separates
FORMAL usually means the same as Black Tie, it could mean a black shirt, no tie with a tux. Women wear cocktail, long dresses or dressy evening separates.
A BLACK TIE OPTIONAL or BLACK TIE INVITED gives you the option of wearing a tuxedo or formal dress, but it should clue you into the formality of the event, meaning a dark suit and tie would be your other option. Women wear cocktail, long dresses or dressy evening separates.
CREATIVE BLACK TIE leaves room for trendy interpretations of formal wear. He can go more modern with a tux -- maybe a black shirt, no tie. She wears long or short dresses or evening separates.
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