Twenty years ago today, Jacqueline Kennedy Onassis died of cancer at the age of 64. Today, she’s remembered as a wife, mother and graceful figure who championed the arts and literature. But Jackie is also a bonafide fashion icon who inspired millions with her chic wardrobe and effortless style. During her initial year as First Lady, she reportedly spent $45,446 more on fashion than the $100,000 annual salary her husband earned as president (he donated the the money to charity). Below, a breakdown of the elements that defined Jackie’s signature style.