Sometimes, it can be difficult to know what to do with uninspired hair—even if you're working with bob lengths or super-long waves—which is why we've curated these 35 celebrity looks to convince you that all you need is a smattering of well-placed layers to keep it interesting.

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Sarah Jessica Parker's Long, Straight Layers

SJP knows that great hair is all about the layers, which is why long, straight, and tapered hair has been her signature style for years.

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Kate Winslet's Wispy Waves

If you're blessed with thicker, wavy hair like Winslet's, ask for shorter face-framing layers and side-swept bangs to give a lighter look to your hair.

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Naomi Campbell's Eye-Skimming Bangs

If you have super-long bangs like Campbell's, start your first set of layers at your chin or longer to keep your hair from looking like a '70s shag.

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Keri Russell's Bedhead Waves

Since her Felicity days, Keri Russell has mastered the perfectly unperfect bedroom hair: slightly tousled and wavy with mid-length layers that look even better when they're messy and dented (like you slept on it while wet).

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Heidi Klum's Goden-Blonde Highlights

Klum adds some dimension to her long layers with a blend of golden and honey highlights at the ends. Bookmark this look if you want to brighten up your long hair in the summer.

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Lucy Hale's Long Layers

Longer hair often needs a bit of shorter layering to avoid falling flat, and Lucy Hale's is no exception, with chin-length layers blown out for a fuller, face-framing effect.

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Sandra Bullock's Blunt Bangs

Chopping your hair into blunt, brow-skimming bangs is an an excellent way to break up a longer face, like Bullock's.

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Linda Cardellini's Ombre Lob

A mid-length cut looks even better with some longer chin-length layering to shape thick hair. Try some ombre highlights by your cheekbones to lend some warmth to dark brunette hair.

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Rosie Huntington-Whiteley's Bedhead Texture

This look is all about the purposefully mussed-up texture, which is all thanks to the choppy ends that are tousled and slightly staticky.

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Chrissy Teigen's Waterfall Layers

Thicker hair plus longer layers = the perfect opportunity to curl them out in cascading mermaid waves.

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Jennifer Aniston's Updated "Rachel"

Aniston may forever be known for her '90s supercut, "The Rachel," a master-piece of layering and highlights, which is why we dub this the Rachel 2.0. The layers that start at her chin still have the same face-framing effect, but the highlights are much more natural.

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Poppy Delevingne's Beachy Waves

Likewise, beachy waves work especially well on long layers that start from the chin down. Just think of all the hair-flipping potential.

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Jennifer Lawrence's Detailed Highlights

Warmer highlights like these look even better in layers since they're interspersed with Lawrence's darker, brunette color (hence the multi-tonal effect).

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Olivia Palermo's '70s Style

Yes, even though this look skews a little Charlie's Angels, the flippy bangs are everything, not to mention the chin-length layers that add extra volume to this blowout.

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Kristen Bell's Tapered Cut

Round brush your mid-length layers towards your chin for this super approachable, low-maintenance look.

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Drew Barrymore's Staggered Lengths

With long hair like Barrymore's, ask your stylist to start layering a few inches up from the bottom and then part your hair in the middle for staggered curtains of hair.

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Rachel McAdam's '90s Blow Out

If you have shoulder-length layers and a round brush to spare, try blow-drying the ends of your hair both away and towards your chin to achieve a billowy, voluminous effect.

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Cara Delevingne's Super-Do

Cara's long, loose curls of varying lengths are the ideal middle ground (not too fussy, but not boring, either) for just about any occasion. The balayage highlights are just the frosting *chef's kiss* on top.

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Emma Watson's Sleek Strands

For girls with short to long face-framing layers, part your hair down the middle. Blow-drying downwards to prevent flyaways, twirl a round brush inwards towards your chin for a rounded blowout like Watson's. Now if only we could figure out how to get those brows...

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Diane Kruger's Pinned-Back Look

The trick to pulling off this beachy waves, deep side-part look? Long, shoulder length layers and liberal spritzing with some sea salt spray.

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Selena Gomez's Subtle Highlights

Minimal highlights plus sleek, face-framing strands = the easy recipe for subtle glamour. To lighten up long, thick hair, add some shorter to longer layers starting by your shoulders.

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Beyoncé's Strategic Styling

Part hair to the side and curl it in uneven sections for a messy, textured look.

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Kristen Stewart's Choppy Lob

The choppy, textured look here comes courtesy of the layers that underscore Stewart's auburn highlights. And, how could we not mention the elegant tucked back hair? So easy, so chic.

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Olivia Wilde's Waterfall of Waves

A layered, modern Rapunzel style that looks even better in ombre.

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Kate Middleton's Spirals

On gorgeous layers like Middleton's, use a medium barrel iron on your ends to achieve spirals of varying lengths.

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Keira Knightley's Textured Bob

The key to Knightley's textured bob is piece-y, crimped layers that might remind you of your favorite '90s beauty looks.

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Julia Roberts's All-Over Waves

This style looks gorgeous whether or not you've got an invitation to a red carpet event or not: all-over highlights with cascading waves.

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Jourdan Dunn's Highlights

How does a supermodel keep her long layers looking fresh? She adds subtle balayage highlights towards the ends, that's how.

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Taylor Swift's Shaggy Bangs

The Swiftian version of the lob has a choppy texture and shaggy, mid-length layers. Try blow drying your hair first one direction across your head and then the other to avoid any flatness.

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Sienna Miller's Wispy Waves

When you've got piece-y layers like Miller's, achieving this adorable wispy style is as simple as wrapping hair lightly around a straightening iron for subtle waves.

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