With a 25-foot train and 10,000 pearls, co-designer David Emanuel didn't downplay Diana's most famous fashion moment: Her wedding. "I wanted the dress to reflect that but she was going in as Lady Diana Spencer and coming out as the Princess of Wales," he said last year. "If you did a subtle little number, it's not going to work!"
With Prince William on the way, the newlywed turned heads in this drop-waist gown by Bruce Oldfield. "The English rose syndrome was never my bag," . "I liked to see her in much simpler things."
On her royal tour to Australia and New Zealand, Diana accessorized her pink Victor Edelstein dress with the Spencer family tiara. Unlike other members of the royal family, she rarely wore gloves so she could connect more freely with the people she met.
The Emanual design team created this sheer garment for a meeting with New Zealand's prime minister.
London-based designer for Diana over the years, including this color-blocked gown for a night at the ballet.
Pregnant with her second son, Diana attended a movie premiere in glamorous maternity wear also by Catherine Walker.
It does not get any more '80s than this. Di's black-and-blue fantasy gown came courtesy of Jacques Azagury.
The royal definitely embraced the broad-shouldered fashions of the day, including this backless lamé dress by Bruce Oldfield. The favored silhouette soon earned her the nickname
In addition to Walker, Bruce Oldfield also frequently dressed Diana through the '80s. She wore this ruched number to the National Gallery in Melbourne.
The fashion icon knew good outfits wow from every angle. She styled this plunging Catherine Walker gown by wearing a long strand of pearls down her back.
Diana didn't always wear her necklaces as necklaces, however. She once repurposed an emerald choker — a wedding gift from the Queen — as a headband for a formal night out. Her matching gown is by the Emanuels.
The Princess of Wales won over Americans on her first official visit to the U.S. This asymmetric beaded gown came from the Japanese designer Hachi.
During that trip, the young princess famously stole a dance with John Travolta. An iconic photo captures her Victor Edelstein dress twirling perfectly.
It may look like a wedding dress, but the lace-and-satin design by Murray Arbeid appeared at a dinner in Washington D.C. Diana showed off another gift from her mother-in-law: A diamond tiara called "Queen Mary's Lover's Knot."
Diana turned to cream again for a banquet in Oman. This Emanuel ensemble favors a slimmer skirt, though.
Walker seemingly took cues from Disney princesses for this fairytale look. The rosy ballgown — worn first at the Berlin Opera House — also appeared in an official portrait by Terence Donovan.
While headlines dubbed it her "Elvis dress," Walker reportedly drew inspiration from Elizabethan ruffs. Her interpretation included a white silk crepe dress and bolero jacket, both embroidered with sequins and pearls.
Walker also created this elaborate pink ensemble, which Diana wore while meeting the Crown Prince of Kuwait.
Without beads and jewels, this floral print dress seems relatively casual in comparison. Walker did add an oversized bow on the back, however.
Diana debuted this Victor Edelstein design at the premiere of Dangerous Liaisons, but it more famously appeared on the cover of Life magazine after her death.
The Princess especially adored this Victor Edelstein number. She rewore the dress a whopping eight times over the years.
No sleeves, no problem. The Princess of Wales chose this blue Catherine Walker dress for a presidential banquet in Cameroon.
The fashion-forward Diana converted another piece of jewelry into a choker. A wedding gift from the Queen Mother, a large sapphire and diamond brooch became the clasp of a seven-strand pearl necklace. Diana frequently paired the piece (even after her divorce) with strapless dresses, like this Catherine Walker sheath.
Diana stepped out in her so-called not once but twice: First on a 1986 Austrian state visit and again to the 1990 Diamond Ball. The Catherine Walker gown has since sold for over $130,000 at auction.
Shimmering in a one-shouldered Catherine Walker dress, Diana made an impression during her official visit to Brazil. Here's she's wearing the Lover's Knot tiara again, which is now a favorite of Kate Middleton.
For the film premiere of Backdraft, the Princess of Wales turned to a Bellville Sassoon dress with embroidered straps.
Does that top look familiar? It's the same bodice from the royal's Kuwait visit, now paired with a slim skirt for a banquet in South Korea.
Reminiscent of Diana's Cannes look, this pale blue chiffon dress also comes courtesy of Catherine Walker. The Princess of Wales wore this one for a gala benefiting the London City Ballet.
A month before she announced her withdrawal from public life, Diana wore another Catherine Walker design to a function at the Dorchester Hotel. This time, she chose to wear her emerald choker as an actual necklace!