Anyone who knows fashion knows that what goes around almost always comes back around. So it's no surprise that during her career as a model, rookie Erin Heatherton has dressed the part of almost every decade in recent history. 

Cosmopolitan Australia

But dare we say, the 70s sit the best on our newest blonde beauty? Erin appears in this latest issue of Cosmopolitan Australia, rocking boho prints, flared jeans, denim dresses, and just about every trend from the age of the hippies that you secretly hoped would never resurface.

Cosmopolitan Australia

And as the SI Swimsuit rookie sends out peace and love, we're reminded ever so slightly of a young Farrah Fawcett. Be still our hearts. 

BONUS: See some of Erin's best moments from SI Swimsuit 2015!