If you're a makeup pro, we've got the ultimate challenge for you. How about trying your hand at a Day of the Dead skull?
Not only is this pretty much an anything-goes look where you can add as many colors, stitches and flowers as you want, but you can recreate the whole look with some makeup brushes, the palest shade of foundation from the drugstore and Aqua Eyes Eyeliner Pencils.
Here's the perfect last-minute solution for all you artsy types: create a unique Lichtenstein masterpiece on your face. To keep the look really authentic, add large blue tears under your eyes and act really lovelorn -- lots of sighs and eyelash batting -- to complete the emo effect.
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Zombie Nightmare
This deceptively intimidating look requires no artistic skills whatsoever -- just your basic contouring technique, liquid latex and fake blood from the party store. Mess up your hair, splatter some red paint on an old outfit and you've got yourself a terrifyingly awesome last-minute costume.
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Classic Sugar Skull
Sugar skull tutorials are a dime a dozen on YouTube, but this one from makeup artist Shonagh Scott is the perfect blend of intricate-looking and easy to do. Scott recommends using a professional cream makeup, such as Kryolan Supracolor, $8.50, to create your black lines, but regular old face paint works in a pinch.
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Fantasy Mermaid
If you're going for pretty instead of creepy (because, #realtalk, we want the cutest Halloween Instagrams possible), embrace your inner mermaid with this vibrant look. Beauty vlogger MakeupByAlli blended an assortment of regular pressed eye shadows for the watercolor effect; then, she stuck on rhinestones, gold flakes and glitter from the craft store to create the look of scales.
Halloween makeup might seem daunting to do yourself, but in reality, it presents the perfect opportunity for a beauty hoarder. Finally, an excuse to use all that yellow eyeshadow, purple lipstick and snow white foundation you bought on an ill-advised beauty binge. (Starting to get a few Halloween makeup ideas already, aren't you?)
Okay, Halloween makeup isn't quite that simple. Because, even after digging through Google images for trendy Halloween makeup ideas and rooting through our makeup collections for costumey colors, we're pretty confident that without a detailed how-to, it'd all end in a textbook Pinterest fail.
So to find our last-minute DIY Halloween costume, we hunkered down with a bowl of candy corn to uncover the best Halloween makeup tutorials on YouTube. And there are so many good ones this year — especially Halloween makeup inspired by popular upcoming movies, like "Jem and the Holograms" and "Suicide Squad." Thanks to the world of DIY beauty gurus and costume geniuses, mastering the coolest Halloween makeup looks of the year is actually possible.
After all, a pricey costume from a picked-over Halloween store won't earn you half as many compliments as turning yourself into Margot Robbie's Harley Quinn with nothing but a little face paint. Convinced? Here, our favorite Halloween makeup ideas for 2015.