A favorite of anarchists everywhere.
Anyone can slap on a pair of ears and lingerie and call herself a mouse, but these wrap around masks require a little more effort. We think it's worth it.
Gawker made what is perhaps the easiest costume of all time: Combine this paper mask with a zip-up hoodie and jeans and you're the highest paid CEO in the U.S.
All you need now is a tail and a bad attitude.
You may not have Kate's amazing post-baby body or fairytale life, but you can pretend to for one night. Or, you can be Prince William, Prince Harry, Her Royal Highness, the Queen herself, or even Prince Charles. Although, we can't really see why you'd want to.
We promise this isn't a glitch. It's just Minecraft Steve. You can even create your own pickaxe with the tutorial above.
Gadgets, cape, secret billionaire lifestyle and general badass attitude not included.
The perfect excuse to put on that amazing dress in your closet you've never had occasion to wear. We even give you permission to stay out past midnight.
If the whole gang missed the costume memo, grab a couple of floppy beanies and colored khaki pants and be the seven dwarfs. Don't forget to designate a Snow White, though, or you'll just look like old hipsters.
Grab a mask and download this Light Saber app. Then just spend the whole night quoting your favorite movies.
Mashable receptionist, Jem, just needs a giant turkey leg wrapped in bacon to truly nail this look.
With only a few days to go 'til Halloween, don't sweat it — we've got you covered with an easy, stress-free costume.
See also: 10 Kids Unaware of Their WTF Halloween Costume
Print these masks and combine them with basic clothes for that very last-minute costume party. Don't see any options you like? There are tons more out there.
The hardest part about 'em is getting the printer to work. The best part about these easy-peasy costumes? They all come at the very low price of $0.
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Image: Patrick Sullivan