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.

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 ...

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.

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 ...

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 ...

The former wife of Elvis Presley was known for her showstopping moves and voluminous hairstyles in the late '60s and early '70s, making her one of the beauty icons of the 20th Century.

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 ...