01of 40Anwar Hussein/Getty ImagesLady Diana Spencersparkled in a red chiffon Bellville Sassoon gown at the London premiere of the James Bond movieFor Your Eyes Only, one month before her royal wedding.

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Anwar Hussein/Getty Images

Lady Diana Spencer, wearing a red and gold spangled chiffon gown designed by Bellville Sassoon, arrives to attend the premiere of the James Bond film ‘For Your Eyes Only’ at Odeon Leicester Square on June 24, 1981

Lady Diana Spencersparkled in a red chiffon Bellville Sassoon gown at the London premiere of the James Bond movieFor Your Eyes Only, one month before her royal wedding.

02of 40David Levenson/GettyDiana was a fairytale bride when she marriedPrince Charleson July 29, 1981. The new Princess of Wales tapped Elizabeth and David Emanuel to design an ivory silk taffeta ballgown with puffed sleeves, ruffled neckline, lace trim and a record breaking 25-foot train.She completed the look with theSpencer Tiara, a family heirloom, and a 153-yard tulle veil.

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David Levenson/Getty

Diana, Princess of Wales and Prince Charles pose for the official photograph by Lord Lichfield in Buckingham Palace at their wedding on July 29, 1981 in St. Pauls Cathedral, London

Diana was a fairytale bride when she marriedPrince Charleson July 29, 1981. The new Princess of Wales tapped Elizabeth and David Emanuel to design an ivory silk taffeta ballgown with puffed sleeves, ruffled neckline, lace trim and a record breaking 25-foot train.

She completed the look with theSpencer Tiara, a family heirloom, and a 153-yard tulle veil.

03of 40Anwar Hussein/Getty ImagesThe princess popped in a pink Victor Edelstein gown with delicate tiers and ribbon-tie straps at a state reception in Australia in 1983. She dialed up the glamour with the Spencer tiara and a matching sapphire earrings and necklace set.

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Diana, Princess of Wales, wearing a pink dress designed by Victor Edelstein, the Spencer tiara and the Royal family order of the Queen and Saudi Arabia sapphire and diamond necklace and earrings, attends a state reception at the Crest International Hotel on April 11, 1983 in Brisbane, Australia

The princess popped in a pink Victor Edelstein gown with delicate tiers and ribbon-tie straps at a state reception in Australia in 1983. She dialed up the glamour with the Spencer tiara and a matching sapphire earrings and necklace set.

04of 40Anwar Hussein/Getty ImagesDiana reached for the Spencer tiara again at a state dinner in Canada, where she wore a shimmering aqua gown with ruffled sleeves plus a silver belt and clutch.

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Diana, Princess of Wales, wearing a pale blue dress with a silver waist belt designed by Bruce Oldfield and the Spencer family tiara, arrives to attend a dinner hosted by the province of New Brunswick at the Saint John Convention Centre on June 18, 1983 in Saint John, Canada

Diana reached for the Spencer tiara again at a state dinner in Canada, where she wore a shimmering aqua gown with ruffled sleeves plus a silver belt and clutch.

05of 40UK Press via Getty ImagesDiana was effortlessly stylish seven months into her pregnancy withPrince Harry, attending a polo match in a magenta set with a white sailor collar in 1984.

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UK Press via Getty Images

Diana, The Princess of Wales, pregnant, expecting her second child, attends a Polo match at Smiths Lawn. Windsor, on July 29, 1984

Diana was effortlessly stylish seven months into her pregnancy withPrince Harry, attending a polo match in a magenta set with a white sailor collar in 1984.

06of 40Tim Graham Photo Library via Getty ImagesThe royal was radiant in a red skirt suit with matching beret and black accessories at the christening ceremony for the P&O cruise liner named in her honor — the Royal Princess.

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Tim Graham Photo Library via Getty Images

Princess Diana Aboard The New P & O Cruise Liner “royal Princess”, Named In Honour Of Her, After Giving The Ship Its Name At A Formal Naming Ceremony

The royal was radiant in a red skirt suit with matching beret and black accessories at the christening ceremony for the P&O cruise liner named in her honor — the Royal Princess.

07of 40Tim Graham Photo Library via Getty ImagesThe princess floated into the Royal Variety Performance in a white chiffon Bellville Sassoon gown with an off-the-shoulder sheer ruffle overlay and pastel paisley detail. She tied a ribbon around her waist and carried a metallic clutch.

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The Prince and Princess of Wales attending a Royal Variety Performance

The princess floated into the Royal Variety Performance in a white chiffon Bellville Sassoon gown with an off-the-shoulder sheer ruffle overlay and pastel paisley detail. She tied a ribbon around her waist and carried a metallic clutch.

08of 40Princess Diana in 1985.David Levenson/Getty ImagesIn a nautical nod during a royal tour of Italy in 1985, Diana wore a white striped Catherine Walker dress and Kangol hat to a naval base.

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Princess Diana in 1985.David Levenson/Getty Images

Diana Princess of Wales arrives at the naval base on April 20, 1985 in La Spezia, Italy

In a nautical nod during a royal tour of Italy in 1985, Diana wore a white striped Catherine Walker dress and Kangol hat to a naval base.

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Jayne Fincher/Princess Diana Archive/Getty Images

Princess Diana (1961 - 1997) arrives for the London premiere of the James Bond film ‘A View To A Kill’ at the Empire, Leicester Square, July 1985

10of 40Tim Graham Photo Library via Getty ImagesDiana danced with her husband in a cerulean one-shoulder gown with a drop waist and hint of glimmer during a visit to Australia in 1985. She crowned the look with a diadem.

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Prince And Princess Of Wales Dancing Together During A Visit To Melbourne, Australia

Diana danced with her husband in a cerulean one-shoulder gown with a drop waist and hint of glimmer during a visit to Australia in 1985. She crowned the look with a diadem.

11of 40Tim Graham Photo Library via Getty ImagesThe royal hit the slopes in a red ski suit with coordinating braided headband in Klosters, Switzerland in 1986.

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Diana, Princess of Wales holds her skis and poles during a holiday in Klosters, Switzerland wearing a skisuit by Head and a braided headband

The royal hit the slopes in a red ski suit with coordinating braided headband in Klosters, Switzerland in 1986.

12of 40Anwar Hussein/Getty ImagesThe Princess of Wales wore a black trouser suit with white ruffled blouse for an evening event in Canada. She added drop earrings, a snake brooch and black pumps for a stylish touch.Decades later, her daughter-in-lawMeghan Marklewould step out insimilar power pantsuits.

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Diana, Princess of Wales, wearing a trouser suit designed by Jasper Conran with a white ruffled blouse and Butler & Wilson snake brooch, talks to musician Bryan Adams during a gala entertainment evening at the Expo 86 Theatre

The Princess of Wales wore a black trouser suit with white ruffled blouse for an evening event in Canada. She added drop earrings, a snake brooch and black pumps for a stylish touch.

Decades later, her daughter-in-lawMeghan Marklewould step out insimilar power pantsuits.

13of 40Tim Graham Photo Library via Getty ImagesDiana demonstratedflag dressingat its finest in a white dress with red polka dots during a visit to Japan in 1986, honoring the national flag of the host country.

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Princess Diana In Japan Wearing An Outfit Based On The Japanese Flag To Honour Her Hosts

Diana demonstratedflag dressingat its finest in a white dress with red polka dots during a visit to Japan in 1986, honoring the national flag of the host country.

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Diana, Princess Of Wales With Prince Charles Before Dinner With Emperor Hirohito In Japan

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Diana, Princess of Wales, wearing a white military suit with gold majorette drum frogging and epaulettes designed by Catherine Walker and a white hat designed by Graham Smith at Kangol, during a visit to the Royal Military Academy Sandhurst

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Princess Diana At The Cannes Film Festival, France

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Diana, Princess Of Wales, Wearing A Purple Velvet Sleeveless Evening Dress Designed By Catherine Walker With Matching Choker And Earrings For A Performance Of Mozart’s Opera “marriage Of Figaro” At The Munich Opera House

18of 40Tim Graham Photo Library via Getty ImagesDuring the same visit to Germany, the royal wore a black sleeveless Victor Edelstein gown with portrait collar for an evening event. She topped off the look with the Spencer tiara and a diamond necklace.

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The Prince And Princess Of Wales In Germany Attending An Evening Function

During the same visit to Germany, the royal wore a black sleeveless Victor Edelstein gown with portrait collar for an evening event. She topped off the look with the Spencer tiara and a diamond necklace.

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Diana, Princess of Wales, wearing a black and white houndstooth check suit designed by Alistair Blair and a black hat designed by Philip Somerville, holds a bouquet of flowers during a walkabout on November 4, 1987 in Munich, Germany

20of 40Tim Graham Photo Library via Getty ImagesThe princess glowed in a red chiffon evening gown with a purple one-shoulder stole while visiting Thailand in 1988. In a toast to the tropical climate, she wore flowers in her hair.

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Princess Diana At A Dinner In Bangkok, Thailand In Febuary 1988 Wearing A Red And Purple Chiffon Evening Dress Designed By Fashion Designer Catherine Walker

The princess glowed in a red chiffon evening gown with a purple one-shoulder stole while visiting Thailand in 1988. In a toast to the tropical climate, she wore flowers in her hair.

21of 40Anwar Hussein/Getty ImagesThe royal stepped out in a semi-sheer periwinkle dress with celestial motif at a reception in Dubai in 1989.

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Diana, Princess of Wales, wearing a purple dress designed by Zhandra Rhodes and silver shoes, attends a reception at the British Consulate in Dubai

The royal stepped out in a semi-sheer periwinkle dress with celestial motif at a reception in Dubai in 1989.

22of 40Georges De Keerle/GettyDiana rocked color blocking with a white and blue Catherine Walker suit and Philip Somerville turban hat while touring Dubai.

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Georges De Keerle/Getty

Diana, Princess of Wales, wears a Catherine Walker suit and a Philip Somerville turban hat during her official tour of the Gulf States on March 17, 1989 in Dubai, United Arab Emirates

Diana rocked color blocking with a white and blue Catherine Walker suit and Philip Somerville turban hat while touring Dubai.

23of 40Tim Graham Photo Library via GettyThe Princess of Wales made casual cool at the Guards Polo Club in Windsor, layering a blazer over a sweatshirt with jeans and cowboy boots, plus baseball cap.

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Tim Graham Photo Library via Getty

Diana, Princess Of Wales At Guards Polo Club. The Princess Is Casually Dressed In A Sweatshirt With The British Lung Foundation Logo On The Front, Jeans, Boots And A Baseball Cap

The Princess of Wales made casual cool at the Guards Polo Club in Windsor, layering a blazer over a sweatshirt with jeans and cowboy boots, plus baseball cap.

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Diana,princess Of Wales At The Coliseum For The Ballet ‘swan Lake’

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Princess Of Wales In Hong Kong Wearing An Outfit Described As The Elvis Look Designed By Fashion Designer Catherine Walker

The studded number was quickly nicknamed the “Elvis dress.”

26of 40Tim Graham Photo Library via Getty ImagesThe royal made the case for cheetah in a swimsuit and sarong set while vacationing on Necker Island in the Caribbean in 1990.

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Princess Diana In Leopardskin Swimming Costume And Sarong On Holiday In Necker Island In The Caribbean

The royal made the case for cheetah in a swimsuit and sarong set while vacationing on Necker Island in the Caribbean in 1990.

27of 40Jayne Fincher/Princess Diana Archive/Getty ImagesDiana smiled in scarlet at a gala in Washington, D.C., pairing the portrait neck Victor Edelstein number with pearl earrings and red pumps.

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The Princess of Wales leaves a gala dinner in Washington DC, wearing a red Victor Edelstein dress, October 1990

Diana smiled in scarlet at a gala in Washington, D.C., pairing the portrait neck Victor Edelstein number with pearl earrings and red pumps.

28of 40Princess Diana Archive/Getty ImagesDiana was demure in a pale powder blue dress with pearl buttons and headband fascinator with lace at the enthronement of Emperor Akihito in Tokyo in 1990. She coordinated her gloves, clutch and pumps to the Catherine Walker ensemble.

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Princess Diana Archive/Getty Images

Prince Charles and Diana, Princess of Wales (1961 - 1997) attend the enthronement of Emperor Akihito in Tokyo, Japan, 12th November 1990

Diana was demure in a pale powder blue dress with pearl buttons and headband fascinator with lace at the enthronement of Emperor Akihito in Tokyo in 1990. She coordinated her gloves, clutch and pumps to the Catherine Walker ensemble.

29of 40Tim Graham Photo Library via Getty ImagesThe princess suitably sparkled at London’s Diamond Ball in turquoise Catherine Walker sequins with an emerald choker.

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Diana, Princess Of Wales, Attending The Diamond Ball At The Royal Lancaster Hotel

The princess suitably sparkled at London’s Diamond Ball in turquoise Catherine Walker sequins with an emerald choker.

30of 40Tim Graham Photo Library via Getty ImagesThe Princess of Wales attended the London premiere ofStepping Outin 1991, which doubled as a fundraising event for children’s causes, in an ivory and pink evening gown with a floral motif and single sleeve.

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Diana, Princess Of Wales, Attending The Film Premiere At The Empire Cinema In Leicester Square Of “stepping Out”

The Princess of Wales attended the London premiere ofStepping Outin 1991, which doubled as a fundraising event for children’s causes, in an ivory and pink evening gown with a floral motif and single sleeve.

31of 40TIM GRAHAM/Getty ImagesKeeping it simple for a local outing, Diana layered a black suit jacket over a white dress with oversize earrings, black clutch and heels.

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TIM GRAHAM/Getty Images

Princess Diana Wearing A White Knee-length Dress With A Black Jacket Designed By Catherine Walker During Her Visit To Salisbury

Keeping it simple for a local outing, Diana layered a black suit jacket over a white dress with oversize earrings, black clutch and heels.

32of 40Tim Graham Photo Library via Getty ImagesDiana looked up in a soft green dress with white headscarf while visiting Egypt in 1992.

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Diana, Princess Of Wales, In Egypt Wearing A Headscarf

Diana looked up in a soft green dress with white headscarf while visiting Egypt in 1992.

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Diana, PrincesDiana, Princess of Wales attends the premiere of ‘Far and Away’ at the Leicester Square Empire Cinemas of Wales attends the premiere of ‘Far and Away’ at the Leicester Square Empire Cinema

Five months later, Buckingham Palace would announce that the Prince and Princess of Wales were separating.

34of 40Jayne Fincher/Getty ImagesDiana made fashion history at the Serpentine Gallery in London in June 1994, walking out in a fitted, black, off-the-shoulder dress with an asymmetrical hemline and chiffon train that flowed in the wind.Instantly christened the “revenge dress,” she strategically stepped out in the unusually revealing ensemble the same nightPrince Charlesconfessed on national television that he had been unfaithful.

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Jayne Fincher/Getty Images

Princess Diana (1961 - 1997) arriving at the Serpentine Gallery, London, in a gown by Christina Stambolian, June 1994

Diana made fashion history at the Serpentine Gallery in London in June 1994, walking out in a fitted, black, off-the-shoulder dress with an asymmetrical hemline and chiffon train that flowed in the wind.

Instantly christened the “revenge dress,” she strategically stepped out in the unusually revealing ensemble the same nightPrince Charlesconfessed on national television that he had been unfaithful.

35of 40Princess Diana Archive/Hulton Archive/Getty ImagesChannelingMarilyn? Diana arrived at a 1995Vanity Fairdinner in a pale, knee-length halter dress reminiscent of the American actress.

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Princess Diana Archive/Hulton Archive/Getty Images

British Royal Diana, Princess of Wales (1961-1997), wearing a pale blue halter-neck dress by fashion designer Catherine Walker, as she attends a dinner hosted by Vanity Fair magazine at the Serpentine Gallery in Hyde Park, London

ChannelingMarilyn? Diana arrived at a 1995Vanity Fairdinner in a pale, knee-length halter dress reminiscent of the American actress.

36of 40Antony Jones/Julian Parker/UK Press via Getty ImagesDiana was classic in a white skirt suit with navy piping, gold buttons and matching hat at the 50th anniversary festivities for VJ Day in London, smiling as a young Prince Harry andPrince Williampored over the program.

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Antony Jones/Julian Parker/UK Press via Getty Images

The Princess Of Wales And Princes William & Harry Attend The Vj Day 50Th Anniversary Celebrations In London

Diana was classic in a white skirt suit with navy piping, gold buttons and matching hat at the 50th anniversary festivities for VJ Day in London, smiling as a young Prince Harry andPrince Williampored over the program.

37of 40Tim Graham Photo Library via Getty ImagesDiana reached for a mini dress again during a trip to Italy, wearing white Versace and strappy heels to a charity concert.

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Princess Diana Attending A Concert In Italy In Aid Of Bosnian Children

Diana reached for a mini dress again during a trip to Italy, wearing white Versace and strappy heels to a charity concert.

38of 40Richard Corkery/NY Daily News via Getty ImagesThree months after her divorce fromPrince Charleswas finalized in August 1996, the style icon attended the Met Gala.In a self-assured fashion statement, shehit the carpetin a navy silk slip dress with black lace detailing from John Galliano’s debut couture collection as the Creative Director of Dior.

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Richard Corkery/NY Daily News via Getty Images

Diana, Princess of Wales at Costume Institute Gala at Metropolitan Museum of Art for a benefit ball

Three months after her divorce fromPrince Charleswas finalized in August 1996, the style icon attended the Met Gala.

In a self-assured fashion statement, shehit the carpetin a navy silk slip dress with black lace detailing from John Galliano’s debut couture collection as the Creative Director of Dior.

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Dave Benett/Getty Images

Princess Diana attends a performance of ‘Swan Lake’

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Princess Diana

source: people.com