45 DIY Alien Halloween Costumes - Seventeen Magazine

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Halloween is the best excuse to embrace your inner alien and dress up how you've always wanted. Whether you're in the market for a more casual look or you're looking to trick government officials into thinking you're the real deal, there's an alien costume that you'll need to make happen.

Anyway, to make your Halloween prep a little easier, here are 45 DIY alien costumes that will make you look just like the real thing – only more fabulous. Ahead, you won’t find any ugly plastic masks, just silver-studded extraterrestrials, metallic space cadets, and the coolest alien-inspired makeup looks.

1

All of the Green Lights

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This costume will awaken your inner space fighter so that nothing can stop you from winning best dressed at any party.

2

Chosen by the Claw

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Let's make it a rule that every blue space suit needs pizza on it.

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Alien of the Earth

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Being an alien doesn't mean you can't embrace your inner nature lover. A flower crown can bring together any costume.

4

Sequins and Yellow

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When being an alien meets fashion.

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Ready for a Spacewalk

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Aliens can definitely work at NASA. You'd be the best dressed at any work party.

6

Galaxy Defender

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Look amazing at any battle and distract any enemy with how you pull off this costume.

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Waitress Alien

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Sometimes, to blend in on Earth you gotta take an Earthly job. This costume is a fun and easy way to transform any idea.

8

Retro Alien

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Because every costume is better with a fanny pack.

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Test Subject

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Even if you can't work at NASA, you can still make your way into some top secret facilities with this costume.

10

Pastel Alien

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Who says all aliens need to be dark and scary? Playing with colors and contrasts can make the costume uniquely yours.

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90s Alien

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This costume is such a throwback that you can make your own with different metallic pieces.

12

Dark Grey, Dark Matter

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This costume features the ultimate contour.

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UFO Traveler

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Earth is so last year. Staying in the UFO is so much better.

14

Alien Baby

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You might not be able to be an alien, but you can still give birth to one.

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Green Like Envy

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This costume requires a LOT of body paint but you can have tons of fun matching the paint to your hair.

16

Interstellar Aliens

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Reach the stars or at least the top shelf with platforms this high.

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Rose Quartz

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Become what's arguably the most beautiful and elegant looking alien in the galaxy.

18

Look with a Look

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Have fun making as many eyes and you'd like with this diy look.

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Descended from Pandora

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Blue skin has never looked so good.

20

Piccolo from Dragon Ball Z

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Create a look that's greater than all of the Dragon Balls.

Kelsey StiegmanSenior Style Editor

Kelsey is Seventeen.com's fashion expert and resident Harry Potter nerd. At the office, she spends her day writing about style, beauty, and literally every move Kylie Jenner makes. On the weekends, you can find her sifting through vintage shops and hunting for the perfect burger. Follow her on Instagram at @klstieg.

Kori WilliamsKori Williams is the Editorial Fellow at Seventeen and covers celebrities, pop culture, music and what’s interesting on the internet. She enjoys reading, crafting and eating out to the dismay of her wallet.Watch Next Advertisement - Continue Reading Below

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