Sometimes, the best hairstyles are the ones that looked like you didn't even try. See how these stars wear these tousled, wavy looks.

Chloe Sevigny

Known for her extravagant style statements, Chloe goes bold with a bright red lip and casual chic ensemble. Her easy, wavy bed-head bob keeps her looking fashionable yet laid-back.

Hilary Duff

A bun in the oven isn’t stopping Hilary from being one hot mama! Hil goes glam with her prettily tousled golden waves.

Michelle Monaghan

The "Mission Impossible" beauty sports tumbled waves and side swept bangs alongside her rosy cheeks and cat eyes for a sensual, come-hither red carpet look.

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Forgot to set your alarm last night? Rihanna sports a super quick and easy style by slicking back her hair into a tight pony and letting her curls fly!

Cameron Diaz

Cameron departs from her usual straight, chin-length bob, for a more ruffled ‘do. We love that she opted for bed-head coils to showcase her sculpted arms and delicate collarbone.

Rachel Zoe

Could bed head get any fiercer? Fashionista, Rachel Zoe strikes a modelesque pose in a crocheted top, topped off with the perfect amount of billowy, blonde locks.

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Marisa Miller

Rocker-chic is no longer just for celebrities! Get Marisa’s waves by using a flatiron to curl your second day hair in random sections allover for an edgy ‘do.

Sienna Miller

Sienna Miller looks extra flirty on the red carpet while wearing a subtle red lip with a lazily raked back wavy updo.

Eva Mendes

The gorgeous Pantene Pro-V spokeswoman shows off her healthy and luscious tumbled waves. A side-swept part and caramel hue are the perfect pair for this beauty.

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Brooklyn Decker

This bombshell knows how to sport beachy, blonde waves effortlessly. We give Brooklyn Decker an A plus for her chic cropped cut and voluminous roots.

Drew Barrymore

We love how Barrymore puts an edgy spin on this disheveled ‘do with long, wavy layers and a multidimensional auburn hue.

Rachel Bilson

What better way to rock dirty strands than with a stylish hat? Rachel Bilson’s easy waves serve as the perfect partner to her trendy topper while out on the town.

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Reese Witherspoon

Our favorite girl-next-door actress knows how to rock the red carpet with ease. We’re sure Reese is making all of her exes envious while sporting sultry, textured locks tucked loosely behind her ear.

Elizabeth Olsen

The newest Olsen to make a film debut takes a cue from her big sisters by pairing easy going waves with a cozy scarf and sweater combo, perfect for any fall or winter day.

LeAnn Rimes

LeAnn sports a sultry half-up, half-down wavy ‘do. Her stylishly tousled hair is ideal for her glitzy red-carpet gown.

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Pippa Middleton

Bed head got your strands feeling limp? Pippa goes from flat to volume by an effortless flip of her part giving her hair some extra ‘umph!

Jessica Biel

Jessica gets red carpet ready in a flash by taking loose waves and sweeping them back into a low slung pony tail, while allowing her face-framing strands to stand alone. An easy style that can go from day to night.

Jennifer Hudson

Jennifer Hudson puts her spin on bed head strands by brushing out overnight braided locks. The extra volume gives her hair depth, making a stylish and playful statement.

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Kate Bosworth

In a time crunch? Start with a center part like Kate’s, and use a curling iron to loosely wrap your face framing strands on both the left and right side for a quick and chic lazy girl hair do.

Miranda Cosgrove

Next time you find yourself reaching for the flatiron, grab your hairspray instead! Miranda Cosgrove embraces her flyaways by sweeping her bangs to one side and allowing her curls to spill over her shoulder.

Zoe Saldana

Take a note from Zoe by twisting your second-day tresses and pulling them into a low bun. Finish with face-framing flyaways to get a girl-next-door feel.

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