I don’t know about you, but Margot Robbie’s look for “Once Upon a Time in Hollywood” is giving me major fashion inspo for the spring. Quentin Tarantino is urging us to “experience a version of 1969” in his new film, and what better way to do that than to revive the best looks from the era? Even though the decade is long passed, the fashion everyone was wearing doesn’t have to be. Audrey Hepburn, Twiggy and Jackie O didn't define this era for nothing. Here’s how to bring back the ‘60s trends that deserve more time in the sun.