purple wedding guest dress Light Dresses This glitter purple dress features slender spaghetti straps and a stylish side split Shop Purple Wedding Guest Dresses

Cool Gray Suit A light gray suit is a great in-between option if you feel unsure about the formality of an eventit's not too dressy but not too casual

Men: The best choice is a tuxedo

There was a more demure and elegant side to the era, the side that has been brought to life recently by the wonderful Downton Abbey

Any darker-toned blue is a great choice, but going for a tonal check will set your look apart

These days, it is perhaps most recognised for its superb boots, but that is not to downplay its excellent collection of Derbies, brogues and monks, all of which are constructed with meticulous attention to detail

A 100-millimeter stiletto that forces you to sit out the night reads worse than a 50-millimeter block heel you can move in