Wearability: 7/10

Blurring the lines between classic -- a soft, romantic plum shadow -- and straight outta "Ex Machina" -- a sliver of silver right at the lashline -- is this surprisingly versatile look, which has a subtle brightening effect that makes blue and green eyes pop.

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Tarte Tarteist Metallic Shadow in Sinful, $14. Buy now.

Natasha Denona Metallic Eye Shadow in Chromatic, $27. Buy now.

Wearability: 6/10

Metallics can be moody, too -- take this look, for example, which combines straight-up silver and stormy slate gray for a pale luminescent effect that's kind of like the inverse of a smoky eye. While metallic eye makeup this impactful may not be everyone's daily go-to, this one's so pretty and easy to pull it off, it's definitely deserving of at least one holiday party on your list.

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MAKE UP FOR EVER Artist Eyeshadow in Snow Gray, $21. Buy now.

Chanel Illusion D'Ombre Long Wear Luminous Eyeshadow in Fantasme, $36. Buy now.

Wearability: 9/10

A well-done smudgy black shadow look is practically foolproof, not to mention badass, but it does err just a little on the side of playing it safe. The equally foolproof solution? Upgrade your usual pick by opting for -- you guessed it -- a metallic play on basic black eye makeup.

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