Celebrities may be best known for their glamorous red carpet beauty looks, but they know how to embrace casual styles, too. Whether you're meeting up with friends, at a coffee shop, or out running a few errands, there's something here to inspire. Looking so effortlessly beautiful just got a whole lot easier.
Sienna Miller 's ponytail looks great with bangs, but even if you don't have fringe, you can get the textured look by using dry shampoo and your fingers to rake your hair back.
A section of deep, sideswept bangs makes Cameron Diaz 's ponytail extra special.
Shay Mitchell wore barely there waves. The look is easy to create by making subtle bends in your hair with a curling iron. Try wrapping your hair around the barrel with your hands to get the casual look.
Ashley Benson went for mini braids on either side of her hair. What makes the look more unique, though, are the pieces of thread woven into her plaits.
Jamie Chung nails the half-up look by keeping the pulled-back part low at the neck. The wispy tendrils make it even more casual-chic.
Model Angela Lindvall topped off a low bun with a Summer hat — an easy way to disguise a not-so-stellar hair day.
Katie Holmes  wore her braided bun with twists on either side.
Have straight strands? Pull your hair back into a sleek ponytail for a polished yet easy look like Miranda Kerr .
Jessica Szohr  shows us how great a mini braid looks with tousled texture.
Jessica Szohr  wore a hairline braid that was pulled back into a messy pony, a fresh look for a picnic or day lounging by the pool.
Michelle Trachtenberg 's low ponytail is given a little personality with a casual middle part.
Anna Kendrick 's side braid is the perfect balance of cute and effortless.
Add a little texture to your ponytail, like Anna Kendrick  shows here, by subtly waving your strands. Just curl ends once you've pulled your hair back into a pony.
Let your natural waves take center stage with a little help from a texturizer like Bumble and Bumble Surf Spray  ($15). Add it to damp hair and let air-dry, or try using a diffuser attachment on your blow dryer to speed things up.
Keep your chin-length hair playful with a little bounce à la Karlie Kloss.
Nina Dobrev 's high ponytail ups the cute factor with some volume and parted bangs.
Add a little polish to your casual style with a shiny blowout. Make sure to use a medium round brush to get the curl at the ends like Mila Kunis .
The quickest way to add glamour to your beauty look? Throw a scarf stylishly over your hair like Miroslava Duma.
Transform an ordinary ponytail into something a little extraspecial with a contrasting hair tie, such as the pop of white Katie Holmes  added to her style.
Nothing gives off a more casual vibe than your hair's natural texture. To achieve a look similar to Camila Alves's, allow your straight hair to air-dry and use a blow dryer to smooth.
Take a styling cue from Vanessa Hudgens , and play up your natural texture. You can enhance your waves with a quick hit of a curling iron and don't worry about a part — just let your hair fall where it wants.
Keep your look feeling effortless with a slightly imperfect part like Selena Gomez .
Have a shorter crop? Add some effortless style to your look by sweeping your hair forward and to the side like Anne Hathaway .
Elettra Wiedemann pulled back her hair in the center of her head for a balance between the sophistication of a low ponytail and the playfulness of a high ponytail.
You don't have to have bangs like Bella Heathcote to pull off this effortless look. Simply run a brush through your natural texture. You can also rough it up a little with a dry shampoo for volume — and even add clip-in fringe if need be.
Pulling your hair up into a topknot is fast, easy, and fashionable. Take a styling cue from Alexa Chung and leave some wisps at the side for an effortless feel. To add more texture, try using a dry shampoo and then backcomb your hair before pulling it back with your hands.
Olivia Palermo sticks with what works, and this hairstyle was simple but very flattering. You can get her look with a quick blow-dry using a medium round brush, like Spornette's 955 Italian Double Bristle Boar Round Brush  ($22, originally $29), to smooth out strands and curl at the ends. Finish with a middle part and a little shine serum if needed.
Don't have time to fuss? Just let your hair air-dry, braid it, and sweep it to the side, then. Don't be concerned with shorter strands falling out: they add to the charm. Diane Kruger 's natural texture never looked so good.
Solange Knowles has the cool-girl look down pat. To get a look similar to hers, try a twist out to help add definition to your natural curls.
Wearing your hair half up isn't just for little girls. Rachel Bilson  showed that a little extra oomph on the top is all you need to make this casual look feel grown-up. Just tease the hair at the roots before pulling your strands up and away.
To get Reese Witherspoon 's no-frills look, begin by creating a deep side part. Leave a few face-framing layers out in front and pull the rest of the hair back into a loose ponytail. Optional: use a flat iron where needed to form subtle bends within the style.
You don't need a staff of hairstylists to pull off Kristen Stewart 's signature coif. All you need is a little air-drying time and possibly some texturizer, like Bumble and Bumble's Surf Spray  ($15-$24). Style by flipping your hair to one side, scrunching your strands with your fingers. No curling iron required.
No matter your hair type, adding a deep side twist à la Dianna Agron  will instantly update your look. Finish by pulling your hair back, like Dianna did, or you could just leave your hair down, too. It's a quick fix that will take your hair from drab to fab.
Kerry Washington proved even the slightest accessory can make all the difference. Update your weekend bun or ponytail with a thin headband, such as this studded, suede one from Tasha  ($28). And if you want to add a little height like Kerry, backcomb your hair at the roots. Complete by spritzing your strands with hair spray before adding your headband.