35 of Jackie Kennedy Onassis's Most Memorable Style Moments

Jackie sports a gingham button-down blouse and a straw hat—ever the picture of ease and graciousness—while vacationing at the Kennedy compound in Massachusetts.

Sisters Jacqueline and Caroline Lee Bouvier play the part of chic locals while traveling in Venice. Jackie wears a paisley-printed blouse with black paper-bag pants.

Senator John F. Kennedy and his fiancée Jacqueline Bouvier enjoy sailing while in Hyannis Port, Massachusetts. Jackie wears a button-down sleeveless blouse and tailored shorts.

Jackie's silk taffeta wedding gown with its portrait neckline for her marriage to John F. Kennedy was created by Ann Lowe, an African-American fashion designer. A crowd of 1,000 people awaited the couple as they exited the church in Newport, Rhode Island.

Known for her classic style during her marriage to John F. Kennedy, Jackie reads to her daughter Caroline at the family's summer home in a classically-cut floral-patterned dress and matching pink pumps while the Senator looks on.

Here, Jackie's timeless style is on full display: perfectly-coiffed hair, pale pink lipstick, and a sheath dress are all she needs to look completely pulled together.

The President and First Lady leave the Capitol following his swearing-in ceremony to become the 35th President of the United States. Jackie wears a coat with mod oversize buttons, and the cloth pillbox hat (designed by Halston) set a new tone for the young couple of the White House.

Wearing a gown designed by Oleg Cassini—the designer who originally made his name designing clothing for Hollywood films—the First Lady and President step out to attend an inaugural ball.

Jacqueline Kennedy is photographed wearing another beautiful pillbox hat and coat at the launching of the USS Lafayette submarine.

The First Lady commands the room in a strapless silk gown, evening gloves, and a glittering hairpiece at a state dinner in honor of the Minister of State for Cultural Affairs of France.

Wearing a kerchief, collared sweater, and white pants, Jackie Kennedy strolls in Amalfi during a holiday on the Mediterranean coast with Marella Agnelli.

Headed to lunch with Queen Elizabeth II, Jackie is photographed in London wearing a ladylike skirt, gloves, and jacket, adorned with a beautiful brooch.

The President and First Lady—dressed in a simple silk dress and lace hair kerchief—pose with their children on Easter Sunday in Miami, Florida.

The First Lady looks divine wearing a double-breasted coat, ruffled blouse, and chic black hat while riding in a parade in Washington, D.C.

Photographed visiting her sister in London, Jackie fixes her coif while wearing a windowpane-patterned coat and sleek black pumps.

Looking stunning in a metallic strapless and form-fitting gown, Jackie Kennedy walks with her husband, the first Roman Catholic elected as President of the United States.

Jackie and Lee Radziwill are photographed at a horse farm in the United Kingdom, appropriately dress in wool and tweed.

A double-breasted wool camel coat and a black turtleneck—and her signature hairstyle—are Jackie's clothing of choice for a visit to Paris in the late '60s.

The day before her wedding to Aristotle Onassis, Jackie is seen wearing a black top and white pants as she walks with Caroline and John Jr.

The former First Lady marries her second husband, Aristotle Onassis, on his private island Skorpios, located off the coast of Greece. Jackie wore a knee-length ivory lace dress designed by Valentino and a white ribbon in her hair.

So simple, but so stylish: Jackie wears just tweed pants and a black knit turtleneck paired with her Cartier Tank watch.

Wearing a knit turtleneck and belted white jeans, Jackie and John Jr. take a bike ride in New York City.

A matching jacket-and-skirt set paired with a small black handbag and black leather heels make for an elegant outfit for bidding Aristotle Onassis goodbye at the Kennedy Airport.

Jackie, while shopping on holiday in southern Italy, wears patterned pants, chic leather sandals, and a draped belt. Oversize sunglasses, hoop earrings, and sandals complete the casual look.

Jackie and her second husband, Aristotle Onassis, leave an Athens nightclub after celebrating her 40th birthday. Jackie wears a minidress with a bold pattern, a long string of pearls, and Lalaounis earrings.

Ready to board a flight at Heathrow Airport, Jackie is the perfect example of 1970s elevated style: a navy turtleneck and wool double-breasted coat paired with sunglasses and leather gloves and handbag all sing together.

An A-line skirt with a leather belt and tucked-in button-down jacket—accessorized with gold hoops and her Cartier Tank watch, of course—is a city-sleek look for running errands.

Jackie and her daughter Caroline look the part of experienced riders dressed in their boots and riding clothes.

Jackie' go-to uniform still resonates today: Oversize sunglasses, a navy button-down and matching pants, and yellow gold jewelry make for a classic look-about-town.

Jackie next-levels her Italian vacation by channeling the style of Milan while shopping in Capri. Here, a chic black top, oversize metal belt, and patterned pants come together for a polished ensemble.

Hello to the chicest vacation style look: white pants, a black top, a simple hair kerchief, and oversize sunglasses is all the former First Lady needs to make a stylish statement while in Capri.

Jackie's classic button-downs were always dressed up with well-placed jewelry, like her gold chain layered necklace and matching bracelet, oversize bangle, and Cartier Tank timepiece. And, of course, we can't forget her signature sunglasses.

Here, Jackie is photographed in her office at Viking Press, where she wrote and edited her first book In the Russian Style. She looks the part of a New York editor with a matching sweater set and flared tweed pants.

Carl Katz, Diana Vreeland, and Jackie Onassis are photographed at the Metropolitan Museum of Art, with Jackie wearing a strapless white gown with a blue overlay.

Jackie attends the Costume Institute Gala at the Metropolitan Museum of Art in New York wearing a velvet and chiffon black evening gown with oversize statement earrings.