There are a few different looks to steal but Julie Newmar, the American actress who completely owned the role in the 1960s Batman television series, is arguably the greatest Catwoman of all.
See our style notes for all the essential items you'll need to get the look below, then browse through the shopping gallery to find out where to get them.
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For obvious reasons you don't want to spend too much on your costume, but the beauty of embracing this feline character is you're sure to have a few things you need - knee-high boots, black nail polish, eyeliner and black gloves - at home.
While wearing a catsuit is optional, it does complete the full look. Other things to consider if you're going all out Catwoman? A Catillac (her ride) and Eau de Chat perfume.
Here's where to go to get your Catwoman fancy dress outfit game on.
MORE: Watch these make up tutorials for some Catwoman inspo, smoky smouldering eyes are a must.