The late Princess Diana's stepmother, Raine Spencer, has died after a short illness, Spencer's family confirmed on Friday.
Countess Spencer died on Friday morning in her London home, her son, William Legge, the Earl of Dartmouth, confirmed to the BBC. She was 87 years old.
Spencer was married to Princess Diana's father, Earl Spencer -- her second husband -- from 1976 until he died in 1992. She married her third husband, Count Jean-François Pineton de Chambrun, in 1993, though they split three years later.
See photos of Raine Spencer throughout her life:
Raine Spencer, stepmother of Princess Diana, through the years
Raine Spencer, stepmother of Princess Diana, through the years
LONDON, UNITED KINGDOM - JUNE 02: Princess Diana Talking With Raine, Comtesse De Chambrun (previously Her Stepmother, Countess Raine Spencer) At A Private Viewing And Reception At Christies Of Dresses Worn By The Princess That Are For Auction To Raise Money For The Aids Crisis Trust And The Royal Marsden Hospital Cancer Fund. (Photo by Tim Graham/Getty Images)
Earl Spencer and Wife Raine (Photo by ï¿½ï¿½ Quadrillion/CORBIS/Corbis via Getty Images)
The wedding of Raine Spencer and Gerald Legge, Earl of Dartmouth, St Margaret's Church, Westminster, London, July 21st 1948. (Photo by Keystone/Hulton Archive/Getty Images)
7th December 1971: From left to right, Dr Roy Strong, director of the National Portrait Gallery, Countess Dartmouth, later Raine Spencer, and cartoonist Osbert Lancaster at a party celebrating freedom for part of Somerset House in London. (Photo by John Minihan/Evening Standard/Getty Images)
Diana, The Princess Of Wales Has Lunch With Her Stepmother Raine Spencer At The Connaught Hotel In Mayfair. (Photo by Antony Jones/UK Press via Getty Images)
Lady Diana's father Edward Spencer and his wife Raine McCorquodale in Paris in 1980. (Photo by Bertrand Rindoff Petroff/Getty Images)
UNITED KINGDOM - JANUARY 01: Earl Spencer and his wife Raine in front of their home at Althorpe House (Photo by Tim Graham/Getty Images)
LONDON - FEBRUARY 24 Earl Spencer and his wife Raine Spencer meet the public outside Buckingham Palace after the announcement that Diana Spencer is to marry Prince Charles February 24, 1981 in London, England. (Photo by Anwar Hussein/Getty Images)
1984: Raine, Countess Spencer with a bouffant hair do. She is the step-mother of Diana, Princess of Wales and daughter of novelist Barbara Cartland. (Photo by Hulton Archive/Getty Images)
20th May 1985: The Earl (1924 - 1992) and Countess Spencer arriving at Spencer House for the 21st birthday of the Earl's son, Viscount Charles Althorp. The Earl is the father of Princess Diana and Prince Charles' father-in-law. (Photo by Hulton Archive/Getty Images)
ALTHORP, UNITED KINGDOM - SEPTEMBER 16: Earl Spencer And His Wife Raine At The Wedding Of His Son Charles, Viscount Althorp In Northamptonshire. (raine Mccorquodale, Countess Raine De Chambrun). (Photo by Tim Graham/Getty Images)
LONDON, UNITED KINGDOM - JANUARY 01: Earl Spencer And His Wife Raine Spencer Visiting Princess Diana In Kensington Palace. (raine Mccorquodale, Countess Raine De Chambrun Circa 1990s (Photo by Tim Graham/Getty Images)
UNITED KINGDOM - MAY 19: Countess Raine Spencer, stepmother of the Princess of Wales (Photo by Tim Graham/Getty Images)
LONDON, UNITED KINGDOM - DECEMBER 14: Raine, Comtesse De Chambrun (countess Raine Spencer) At A Gala Performance By The English National Ballet At The Banqueting House, Whitehall. (Photo by Tim Graham/Getty Images)
Raine Spencer Attends A Gala Reception & Preview Of Her 'Dresses Auction' At Christies In London. (Photo by Antony Jones/UK Press via Getty Images)
LONDON, ENGLAND - SEPTEMBER 6: Raine, Countess Spencer arrives at The Funeral of Diana Princess of Wales at Westminster Abbey, London, on September 6, 1997, in London, England. (Photo by Julian Parker/UK Press via Getty Images)
LONDON, UNITED KINGDOM - MAY 12; Raine, Countess Spencer attends her 70th Birthday party at the Ritz Hotel, on May 12, 1999 in, London, United Kingdom..( Photo by UK Press via Getty Images )
UNITED KINGDOM - JUNE 26: Raine Spencer, Hardy Amies Royal Academy Fashion Show Gala Evening, To Raise Money For The Academy, London (Photo by Dave Benett/Getty Images)
LONDON, UNITED KINGDOM - FEBRUARY 17: Raine, Countess Spencer At The Banquet Hosted By The Queen Of Denmark At The Natural History Museum In London. (Photo by Tim Graham/Getty Images)
LONDON - JUNE 6: (EMBARGOED FOR PUBLICATION IN UK TABLOID NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Raine Countess Spencer attends the annual summer party at Sotheby's, New Bond Street on June 6, 2005 in London, England. (Photo by Dave Benett/Getty Images)
LONDON - SEPTEMBER 9: Raine Spencer attends the 'Made In Italy' party at Harrods to launch their new Italian ranges on September 9, 2004 in Knightsbridge, London. (Photo by David Westing/Getty Images)
Raine, Countess Spencer attends Christmas party in honour of Dame Shirley Bassey to celebrate her 70th Birthday, kindly hosted by Von Essem Chairman, Mr Andrew Davis at Cliveden House on December 16, 2007 in Berkshire, England. (Photo by Jon Furniss/WireImage)
Lady Raine Spencer attend the launch ceremony for an in-store promotion of Malaysian craft at Harrods on February 26, 2009 in London, England. (Photo by Fred Duval/FilmMagic)
Although Diana and Spencer's relationship was reportedly rocky in earlier years, the two eventually reconciled. In 1995, Diana's boyfriend's father, Egyptian billionaire Mohamed Al-Fayed, offered her a job as director of Harrods International and Harrods Estates.
Spencer talked about her stepdaughter at the 2007 inquest into Diana's death.
"She always said I had no hidden agenda," Spencer said, according to the BBC. "So many people, because she was so popular and so world famous, wanted something out of her. It was a very draining life."
Diana, and her boyfriend, Dodi Fayed, died in August 1997 after a car crash in Paris.
"When she died, there was a gaping hole, not just for us but also for a huge amount of people across the world," Harry told People in May. "If I can try and fill a very small part of that, then job done. I will have to, in a good way, spend the rest of my life trying to fill that void as much as possible. And so will William."