Rather than worry about these eventualities, we suggest that you cleave to the nature of the Black Tie Optional dress code and simply dress in whichever style will allow you to have the most fun while being respectful of the wishes of the bride and groom
Drugstore, high end, mink, and faux mink give me them all please
Investing in a piece that can be styled for multiple occasions is no longer considered underdressedit is considered savvy
This is why the blue suit with brown shoes pairing has become the standard for job interviews, important client meetings, and weddings - it puts others at ease while still commanding respect
Short dresses and mini styles are ideal for active beach days: they're easy to move in, dry quickly, and work well as a light cover-up over a bikini
Let your bridesmaids wear their own pieces if you trust their taste