Abergel points to the shag as one of the hairstyles that defined the '70s ... make like Solange Knowles with a '70s classic: The Afro. "This style is amazing because you can create any shape ...

Somewhere between a shag and a classic voluminous layered haircut, "the Nicks" combines lots of movement and volume without a lot of choppiness that many '70s hairstyles were known for.

From Farrah Fawcett’s feathered cut that was often styled into large, bouncy curls to long, shaggy curtain bangs that skimmed your eyelashes, hairstyles in the 70s have always been iconic.