Greasy Hair, Don’t Care: 20 Quick and Easy Hairstyles for Dirty Hair Days

Ariana Grande's heightened pony gives extra elegance to her signature style. Tease the hair at the root of your head, smooth out and secure with an elastic, than wrap a strand of hair around the elastic to cover.

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Chiara Ferragni styled her hair to match her Chanel dress--in a ladylike yet completely unexpected way. Starting with her hair in a deep part, Chiara twisted back her locks into a messy ponytail, leaving curls cascading down randomly.

Brush hair back using a light gel and bring up into a high pony like Beyonce. Curl strands and hairspray for a perfectly polishes and slick look that will have you looking fresh and fabulous.

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For the girls who fear the severe ponytail, and prefer to have their locks closer to their face, go for a style like Ashley Greene's. Simply twist your face-framing locks around a one-inch curling iron, and pull the rest of your hair into a medium-high ponytail.

No one rocks the messy ponytail quite like our favourite Brit, Alexa Chung. To pull off the look smoothly, pull your unbrushed hair into a medium-low ponytail, and let your bangs and/or baby hairs around the face fall free. Rub your hairline around your temples to pull a few more strands out, to make it look natural.

Reminiscent of our grade school picture days when all we wanted was a high, bouncy ponytail with lots of curls, this style, as seen on Rihanna, is still one of our favourites.

Keep it loose and casual like Selena Gomez. After braiding, gently pull sections to give a casual and breezy look. Also, pull out a few stands in front for a soft, face-framing look.

You may think French braids are too equestrian for you, but Riley Keough's version? It's as cool and enviable as hairstyles get.

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This look is easy to achieve and combines the sophistication of a braid with the ease of a ponytail. Start by french braiding your hair until you get to the nape of your neck, then secure with an elastic to achieve Chrissy Teigen's casual look.

Opt for a princess-inspired look like Blake Lively's and don a sleek high ponytail with a long Rapunzel-esque braid.

Janelle Monae slays at fashion weel in two extra-long simple braids and a braided bang. Use hair gel to keep your hair sleek as you braid into this look that's both cute and ridiculously cool.

Braids are an easy way to update any classic ponytail, and Poppy Delevingne's double version achieves that covetable carefree, Cali-girl look.

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Meghan Markle keeps it casual with this casual messy bun that you can achieve by twisting hair loosely and securing in place with bobby pins.

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Made famous by the effortlessly cool models inside every J.Crew catalogue, a messy updo has to be one of our favourite styles. Not only is it easy, but it never fails to look completely elegant. Our tip? Do like Jessica Biel and keep your makeup clean and simple to achieve a polished look.

Miranda Kerr's sleek ballerina bun is as chic as it is easy. This style will always be our go-to for those days we just can't find the time to shampoo.

Take the classic ballerina bun to the next level by braiding your hair before pinning it into a bun. This will give your look a healthy dose of bohemian charm, a la Vanessa Hudgens.

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Popular with college girls, yogis, and women-on-the-run everywhere, a top bun is an easy way to get your hair taken care of, stat. Take your bun to the next level by wearing it a little higher, and teasing the hair in the ponytail before you twist, to create a fuller-looking bun no matter how short your hair may be. Sarah Hyland got it just right.

Give your typical bun a fun update by starting with a side part, create an inside out pony tail, then twist into a bun. Emma Stone's side swept bangs add a modern edge to the look.

The messy bun is every girl-on-the-go's dream. We love how easy and chic Olivia Palermo makes the style look.

No time to spend on that mane? No problem! Do like Emma Watson and toss it back into a messy side bun. Throw on a smoky eye and some edgy accessories for a feminine look that packs a lot of edginess.

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