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Details: Bra Cup, Fully Lined

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That being said, if you find yourself attending an increasing number of Black-Tie Optional events, it may behoove you to purchase a complete Black Tie ensemble so that you are well-prepared should you receive an invitation to a strict Black Tie event, for which a Black-Tie Optional ensemble would not be appropriate

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Not the classic blazer or sports coat

THE DRESS IN THE PHOTO If the photograph showed more of the room, or if skin tones were visible, there might have been more clues about the ambient light