4. Sleek and Straight. The disco era also featured plenty of sleek, straight locks. Also known as ‘Cher Hair,’ this is one of the '70s hairstyles for long hair you need to try out.

1970: A full fringe was wildly popular in the early '70s, as seen on Cher. This was one of Cher's more tame hairstyles. Keystone/Stringer/Getty Images ...

The '70s gave us some truly great hair. We often focus on the decade's fashion, from bellbottoms to tie-dye, but the era saw ...

A popular hairstyle in the '70s was messy layers on short to mid-length hair — something most hairstylists refer to as the ...

For the past few years, it seemed like we couldn’t get enough ‘90s and early ‘00s hair trends. But lately we’ve been forgoing our zigzag parts and bumpits for some ‘70s-inspired locks instead. From ...

Abergel points to the shag as one of the hairstyles that defined the '70s. Here, ... Cynthia Nixon Ditches Her Signature Bob and It's So Early Miranda-Coded.

Ahh, the early 2000s. ... But let us not forget the best spiky hairstyles of the early 2000s, ... Heidi Klum's New Choppy Bangs Are So '70s Rockstar Chic. By Megan LaCreta.

The 68-year-old rock 'n' roll legend Stevie Nicks is currently on tour again, making a stop at Madison Square Garden tonight. She's been a presence on the stage since the early '70s, when she was ...

4. Sleek and Straight. The disco era also featured plenty of sleek, straight locks. Also known as ‘Cher Hair,’ this is one of the '70s hairstyles for long hair you need to try out.

For the past few years, it seemed like I couldn’t escape the '90s and early ‘00s hair trends popping up online. But lately, I've been spotting other styles (other than the zigzag parts and ...