Haircuts That Never Go Out of Style

Jennifer Aniston has said that her hair is naturally wavy so her famous much copied layered shaggy "Rachel" style was shaped with flat irons and a lot of blow drying. Now she’s known for sporting casually tousled layers which beautifully frame her face.

When Taylor Swift debuted her bold blunt bangs, the look was more sophisticated and glamorous. Paired with natural waves or even straight hair, it's flawless.

This textured, side-swept pixie on Michelle Williams is a timeless classic. The trick? Spritz a texturizing spray and let hair air dry. For more polish, blow-dry gently with a flat brush.

Reese Witherspoon's straight hair with a touch of volume is sexy yet sophisticated. For wispy bangs, work a dime-sized dab of shine serum through hair, place bangs to the side and blow-dry the rest with a paddle brush. For thinner locks, like Reese's, use balm like PhytoSpecific Moisturizing Styling Balm (aveyou.com, $24).

Here's a great example of someone who found their classic look early in life. So we hope that the Duchess of Cambridge always keeps her fabulous long bouncy locks with face framing layers.

Gwyneth Paltrow's ultra smooth style parted down the middle is sleek to the max. On her Goop website, the actress credits stylist Orlando Pita’s T3 tools, like his T3 SinglePass for the look.

When it comes to her hair, Beyonce is very much the cameleon. She’s gone sleek and straight, did blunt bangs and rocked some short styles. But this wild sexy wavy long do is a total classic.

These soft beachy waves gives Julia Roberts a relaxed vibe. To give her waves separation stylist Serge Normant adds a shining texturizer like John Frieda Luxurious Volume Lavish Lift Root Booster (ulta.com, $6).

Katie Holmes' heart and oval-shaped face was a natural for this sleek bob with sweeping bangs. After blow-drying with a large round brush, roll the ends slightly under, then flat iron one-inch portions.

Cameron Diaz's sexy, choppy bob with a deep side part is ideal for slightly wavy or straight hair. On a round face like Diaz has, end the bob above the chin, (on square faces, end below the chin).

Jennifer Lopez has perfected her look with big, cascading volumized waves. It’s the ultimate bombshell style with a soft touch.

A layered pixie cut, like Halle Berry's iconic look is adorable and sexy all at once, especially on a heartshaped face. Work sculpting serum through hair and brush towards your face with a one-inch ceramic round brush.