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Published

2 July 2025

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‘Cocktail attire’ or ‘cocktail dress’ is a more recent dress code, and etiquette books from the turn of the century contain almost no guidance or reference to it.

It rose to prevalence in the mid to late 20th Century, evolving when people felt black tie may be too stuffy for a drinks party, but lounge suits could be too corporate. 

What to wear

For men, it is relatively formal; smarter than smart casual, but not black tie.

It requires a jacket and shirt, the style of which and any additional details are dependent on the formality and tone of the event. For example, a wedding at a formal hotel with a cocktail attire dress code would require a dark suit with tie, yet a birthday party on a beach with the same dress code would likely be a much less formal option, maybe a sandy coloured linen suit with an open-neck. 

For women, it is a dress or outfit suited to the evening.

The biggest mistake people make is wearing a dress that looks like it’s work attire as well, so remember that cocktail dresses are more ‘evening-y’, or sparklier and more fun, than what you would wear to the office. Dresses can have varying hemlines, including knee-length, midi or maxi, but never very short. Trousers and jumpsuits are fine too, as long as they are smart enough and tailored in a formal fabric. 

Respect the dress code

Remember, it is good etiquette and correct form to respect the dress code, and all guests should follow what is asked of them. If in doubt, ask the host or other guests what they will be wearing. It’s much better to put in some research in advance, rather than turn up to the event feeling uncomfortable as you aren’t dressed the same as everyone else.  

Stick to that rule that it is usually more acceptable to be dressed a little smarter than dressed more casually.

Remember, dress codes should not be intimidating – they are meant as a leveller and can ease social interaction if everyone is wearing the same or similar attire.  

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