Jackie Bouvier Kennedy is one of the most influential fashion icons of all time. Before becoming First Lady and Princess of the Pillbox Hat and Pearls, Jacqueline Bouvier earned an internship at Vogue and was named “Debutante of the Year” by a Hearst magazine columnist. The Manhattan teenager was destined for greatness — or at least great outfits.

The beloved former First Lady once said: “My only routine is no routine at all.” Her fashion choices prove it; they’re ever-exciting, extravagant, and timeless.

Here are 15 of Jackie Kennedy’s most iconic style moments.