10 Retro Hairstyles That Still Look Trendy

Sophia Loren looked sultry with voluptuous barrel curls.

Ombré highlights give Salma Hayek's own curls extra bounce.

Who can forget Marilyn Monroe's iconic waves?

Katherine Heigl updates Marilyn for the 21st century with a slightly less fussed-over look.

"The Rachel" — the haircut Jennifer Aniston sported as her character Rachel on Friends — pretty much defined the 90s with it's choppy, layered look. As much as she's tried to grow it, it's still what we remember Aniston for!

Kirsten Dunst has a similar face-framing, layered look — but softer (translation: less hair product).

Mia Farrow took the plunge from long locks to this close-cropped pixie in 1967.

Emma Watson made a similarly drastic cut, but updated the look with a slicked side part.

Jane Fonda shows off her side-swept long layers and bouncy, elegant curls.

Lively has the Old Hollywood glamour thing down with her voluminous waves.

Silent movie legend Mary Pickford was on-trend for the flapper era with her wavy short bob.

Before chopping her long hair in early 2014, Taylor Swift flirted with a short 'do by under-pinning her curls — a wispier, more playful version of the classic 20s look.

Louise Brooks was one of the first women to debut the short bob — her blunt bangs launched a million lookalikes.

Katie Holmes updated the flapper bob with side-swept bangs and a drastic side part.

Twiggy showed off her piercing eyes with this side-parted short crop.

Jennifer Hudson's short crop looks decidedly modern with its wispy volume and copper highlights, which emphasize her eyes.

Adele's luxe length and a dark golden hue look less "sweetheart" and more "modern bombshell."

Demi Moore's wispy bangs gave her glossy hair even more volume.

Freida Pinto rocks the wispy bangs sans the 80s-style amount of hairspray.