40 Celebrity Costumes You Can Easily Copy

You might need to purchase some hair color spray, but you can probably find the rest in your closet.

This Sid costume is as simple as it gets.

Pull out your Christmas lights from last year and you're good to go!

Grab a bright-colored blazer and an old trophy and you're good to go.

You might need to purchase the cat ears and gloves, but as long as you have some sort of leopard piece, you're all set.

Minus the wigs, these basics should be easy to come by.

Have a white dress and a belt? Add the makeup and you can head out the door.

Put on a suit and a cocktail dress, and call it a costume!

Nod to the departed AMC series with your most proper dress.

You might have to get creative with that mermaid tail and do some hot glue gunning for the shell top, but everything else is basically a wardrobe staple.

A white halter dress and red lipstick, and voila, you're Marilyn Monroe!

All you need is a black suit and some face paint for this scary costume.

As long as you secure a shaggy wig and the right glasses, you'll definitely be able to find this getup in your closet.

Pair a white dress with some body paint, and you've got yourself a costume.

OK, now this one is super easy to DIY.

Don't forget to stop at Starbucks for a to-go cup.

This will work as long as you don't mind messing up your own clothes — and you have a heavy hand when applying makeup.

Add some grease to a tank top, secure a prop gun, and you're ready to trick-or-treat.

Just splatter some ketchup on your clothes and grab a plastic bag from the kitchen.

Grab your best businesswear and call it a costume. Hats required.

Grab a sexy dress from your closet, purchase a black veil, and add a little fake blood and you're practically Shay.

No need to hit the store for this one.

Put a pair of animal ears on your head and you can basically wear whatever you want for an outfit (sweats anyone?).

This one should be really easy, no?

Break out all those borderline '80s-looking items and mix them together for this look!

You should have no problem replicating this one.

Don't forget to grab your bible.

Pair a dainty dress with simple black shoes and a ton of runny eye makeup, and you're set.

Beige leotard? Check. Platinum blonde wig? Check.

All-black ensembles and a whole lot of hair spray. Done.

Striped shirts, black pants, and beanies. What could be easier?

Everything from this costume is basically a wardrobe staple.

This Wayne's World duo can be done using your everyday distressed denim and favorite worn-in tees.

Still love this hilarious Saturday Night Live skit? Either throw on your old jeans from the '90s or go into your local thrift store for all your outfit needs.

As long as you have some face paint and you don't forget to grab a rose from your garden, you should be able to nail this one.

Got a checked shirt? Great, now head to the kitchen for a roll of paper towels.

Borrow that Hawaiian shirt and sun hat from your dad and you're basically done!

All this one basically requires is some sparkly face paint.

Have a black collared dress? Perfect.

You might need to pick up the wings at the store, but otherwise any number of pieces could work when creating this whimsical look. And the Iron Man character only requires a tailored suit.