Jackie Kennedy married Aristotle Onassis on Oct. 20, 1968 in a Greek Orthodox ceremony on Skorpios in the Ionian Sea, the island owned by her billionaire shipping magnate husband.
She wore a lace-covered beige dress by Italian designer Valentino for her second nuptials. It became the fashion house's most successful couture piece ever.
Forty-six years ago, First Lady Jackie Kennedy famously wed Greek shipping magnate Aristotle Onassis in an intimate ceremony overseas.
By 1968 — five years after her husband President John F. Kennedy's assassination — Jackie was already known as a bonafide fashion icon. But after marrying Aristotle, her style changed from preppy and polished to sophisticated and ultra-chic. Known as the 'Jackie O' era of wide-legged pants, head scarves and over-sized sunglasses, this look endures in fashion to this day.
So, on the anniversary of Jackie and Ari's marriage, we remember 10 of the woman's most stylish, elegant and graceful fashion moments from the 'Jackie O' years. Click through the gallery to see!