Her bed-head hair and smudged liner had that romp-in-the-sheets vibe men still lose their ability to form words over.

Steal her look and prepare for heads to turn.

Now, mascara, mascara, mascara.

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Sultry LipsYour eyes are the focus, but you still want a makeout mouth.

A soft nude creates the illusion of fullnesspillow lips.

Try Maybelline New York Baby Lips Repairing Lip Balm in Peach Kiss, $4.

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Audrey Hepburn epitomized the look.

Channel her anytime you want to appear finished, not fussy.

Can’t ever go wrong.

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Polished Elegance: Meet-the-parents perfect

Bold Red LipsThere’s a gazillion shades of red.

Audrey’s is a vivid, blue-based crimson in a matte finish.

Perfection: Tom Ford Beauty Lip Color in Cherry Lush, $49.

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If yours is glossy, blot with a tissue to deshine.

Keep the line thin and precise.

You want meticulous versus messy.

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Classy PonyUnwashed hair is easiest to style, says Buckett.

Blast roots with Umberto Beverly Hills Dry Clean Dry Shampoo, $13, first.

Then tilt head back to prevent bumps and tie hair high and tight.

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Naturally Gorgeous

Total girl next door.

Glowy skin and a side-parted blowout look effortless and make you seem approachable.

Classic example: Julie Christie.

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(Current: Kate Middleton.)

She’s that stunning friend you somehow don’t hate.

Once 95 percent dry, flip head over and smooth with a round brush and medium heat.

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Let sit for 10 minutes, then remove and brush hair once; part to side.

Low-Key LipsA warm pink is universally flattering and gives that no-lipstick lipstick look.

Her super straight strands and barely tinted lips are exactly how you want to look tailgating in the fall.

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Pretty Preppy: A weekend winner

Soft LipsChapped lips instantly ruin your fresh-faced vibe.

Pin-Straight HairTake 1-inch sections of dry hair and comb out tangles.

Slowly glide a ceramic flatiron (Jose Eber, $145) through strands.

Small sections and a snail’s pace is the secret to sleek.

We used Estee Lauder Pure Color Cheek Rush in Hot Fuse, $28.

Young Skin, Forever

The Gorgeous-Hair Diet

Four Super-Simple Fall Makeup Looks