blue gala dress Royal Beaded Lace Prom Dresses with Slit Off the Shoulder Formal – Viniodress Crafted from satin fabric Simple A-Line Dark Blue Satin

I bet it will take the scientists years to figure it all out

This combination is perfect for semi-formal gatherings, business casual meetings, or even evenings

Dress: Very | Tank: F&F Clothing | Heels: Asos | Belt: Unknown | Bag: Debenhams | Sunglasses: c/o Lulus | Earrings: New Look (also available in gold) | Watch: Fossil

Men can look super sharp in a simple clothing combination of lightweight wool pants and crisp tailored shirts

6 month quality guarantee Need a versatile suit that takes you from your desk to dinner

What Not to Wear to Black-Tie Optional Weddings Catherine Delahaye/ DigitalVision via Getty Images Although there are lots of options for what to wear to a black-tie optional wedding, there are a few things you should definitely try to avoid