That's jean-ius!

Now that her sisters Mary-Kate and Ashley Olsen have been cranking out their own fashion-forward clothing lines, Elizabeth Olsen has picked up a few stylish "tips" of her own.

PHOTOS: Dress like a star for under $100

Clad in a black Acne T-shirt and a colorfully chic Erdem skirt, the younger Olsen sibling sported a creamy blue, denim-inspired manicure at a NYLON/Armani Exchange event in NYC on Wednesday.

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Dark and dramatic polish colors will be popping up for fall and winter, but this dark, dusty blue is the perfect way to rock a bold hue without looking goth in black or navy blue.

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To get the 22-year-old Martha Marcy May Marlene actress' look, try Illamasqua Nail Varnish in Force ($14,

Or, to achieve a full-on denim look, try Sally Hansen Salon Effects Real Nail Polish Strips in Skinny Jeans ($10, -- the design looks just like your favorite dungarees.

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