Fergie, Duchess of York, looks slimmer than ever in skintight black dress

Find Out How Duchess of York Sarah Ferguson Lost 55 Pounds!

Sarah Ferguson, "Fergie," has always been criticized in the media for her up-and-down dieting and fluctuating figure, but these days former royal is looking better than ever.

The 56-year-old Brit looked absolutely stunning in a skintight black dress at a gala in Marbella Spain, over the weekend. The Duchess of York's gown hugged her curves and showed off her trim physique. The gown was belted at the center, and featured off-the-shoulder sleeves, further accentuating her hourglass figure. She wore her flame-colored tresses down and polished.

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Sarah Ferguson "Fergie" stuns in black dress
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Sarah Ferguson "Fergie" stuns in black dress
MARBELLA, SPAIN - AUGUST 06: Sarah Ferguson attends Starlite Gala on August 6, 2016 in Marbella, Spain. (Photo by Daniel Perez/Getty Images)
MARBELLA, SPAIN - AUGUST 06: Sarah Ferguson and Sandra Garcia-Sanjuan attend Starlite Gala on August 6, 2016 in Marbella, Spain. (Photo by Daniel Perez/Getty Images)
MARBELLA, SPAIN - AUGUST 06: Sarah Ferguson attends Starlite Gala on August 6, 2016 in Marbella, Spain. (Photo by Daniel Perez Garcia-Santos/WireImage)
MARBELLA, SPAIN - AUGUST 06: Sarah Ferguson and Sandra Garcia-Sanjuan attend Starlite Gala on August 6, 2016 in Marbella, Spain. (Photo by Daniel Perez/Getty Images)
MARBELLA, SPAIN - AUGUST 06: Sarah Ferguson attends Starlite Gala on August 6, 2016 in Marbella, Spain. (Photo by Daniel Perez Garcia-Santos/WireImage)
MARBELLA, SPAIN - AUGUST 06: Sarah Ferguson and Sandra Garcia-Sanjuan attend Starlite Gala on August 6, 2016 in Marbella, Spain. (Photo by Daniel Perez Garcia-Santos/WireImage)
Sarah Ferguson, Britain's Duchess of York, poses after her arrival at the Starlite Charity Gala in Marbella, southern Spain, August 6, 2016. REUTERS/Jon Nazca
Britain's Sarah, Duchess of York, poses during the seventh edition of the Starlite Charity Gala in Marbella on August 6, 2016. / AFP / JORGE GUERRERO (Photo credit should read JORGE GUERRERO/AFP/Getty Images)
Britain's Sarah, Duchess of York, poses during the seventh edition of the Starlite Charity Gala in Marbella on August 6, 2016. / AFP / JORGE GUERRERO (Photo credit should read JORGE GUERRERO/AFP/Getty Images)
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Over the past couple years, Fergie has been making a dedicated effort to keeping a fit physique in top shape and has looked incredible. In 2015, she revealed to Rachael Ray that she lost 55 pounds by eating a farm-to-table diet and cutting out a lot of junk food, and exercising by walking and hiking daily. She said she had gotten to a very low point before that and just decided it was time to turn her life around, and clearly she has.

Fergie's been traveling on royal business, promoting her new line of teas, and just seemingly enjoying life -- and she's absolutely glowing.

Hopefully she'll be able to lend some of that glow to her daughter, Princess Beatrice, who just broke up with her boyfriend of nearly 10 years, David Clark. Beatrice reportedly left her investment banking job in New York City where her boyfriend lives and works as well, but she's yet to return to the U.K. Details on why and how their relationship ended still remain short, but the royals were apparently "shocked by the news."

Despite the breakup news of her daughter, it appears nothing can get Fergie down!

PHOTOS: Sarah Ferguson through the years

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Sarah Ferguson Duchess of York Fergie weight loss
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Sarah Ferguson Duchess of York Fergie weight loss
Duke and Duchess of York, Sarah Ferguson and Prince Andrew, on a boat during their visit to Venice on August, 1989 in Venice, Italy. (Photo by Georges De Keerle/Getty Images)
Sarah Ferguson, Duchess of York carries her daughter Princess Beatrice of York at the Royal Windsor Horse Show, 12th May 1990. (Photo by Georges De Keerle/Getty Images)
Sarah Ferguson, Duchess of York, surrounded by a volumious lobster pink wrap, circa 1990. (Photo by Terry O'Neill/Getty Images)
LONDON, UNITED KINGDOM - SEPTEMBER 12: The Duchess Of York, Sarah Ferguson, Arriving For The Foyle's Literary Lunch For The Publication Of Her Two Budgie Books. She Also Announced Her Pregnancy. (Photo by Tim Graham/Getty Images)
LONDON, UNITED KINGDOM - NOVEMBER 15: Sarah (Fergie) Ferguson, Duchess of York, poses with her new book 'My Story' at the world famous Harrods department store in London to 25 November. (Photo credit should read DAVID THOMSON/AFP/Getty Images)
EPSOM, UNITED KINGDOM - MARCH 6: (FILE PHOTO) (PRINCESS DIANA RETROSPECTIVE 1 OF 22) Diana, the Princess of Wales (R) stands with Sarah Ferguson as they watch the Epsom Derby March 6, 1987 in Epsom, United Kingdom. Princess Diana, 36-years-old, died with her companion Dodi Fayed, 41-years-old, in a car crash August 31, 1997 in Paris, France. Fayed was the son of an Egyptian billionaire. (Photo by Georges De Keerle/Getty Images)
KLOSTERS, SWITZERLAND - FEBRUARY 17: Prince Charles, Princess Diana, The Duchess Of York (sarah Ferguson) And The Duke Of York (prince Andrew) On Holiday In Klosters. (Photo by Tim Graham/Getty Images)
KLOSTERS, SWITZERLAND - MARCH 09: The Duchess Of York (sarah Ferguson), Princess Diana And Prince Charles On Holiday In Klosters. (Photo by Tim Graham/Getty Images)
(L-R)) England's Sarah Ferguson, Duchess of York, & Princess Diana at Epsom Derby. (Photo by Ken Goff/The LIFE Images Collection/Getty Images)
LONDON, ENGLAND - NOVEMBER 04: HRH Princess Beatrice and Sarah Ferguson, Duchess of York attend the Bell Pottinger Charity Dinner hosted for Northwood African Education Foundation at Lancaster House on November 4, 2014 in London, England. (Photo by David M. Benett/Getty Images for Bell Pottinger)
LONDON, ENGLAND - JUNE 10: Sarah Ferguson (L), Duchess of York, and Princess Eugenie of York attend the Art Antiques London Gala Evening in aid of Children In Crisis at Kensington Gardens on June 10, 2014 in London, England. (Photo by David M. Benett/Getty Images)
TORONTO, ON - MAY 10: The Duchess of York, Sarah Ferguson attends The Scarborough World Gala Lifetime Achievement Award Ceremony at Sheraton Centre Toronto Hotel on May 10, 2014 in Toronto, Canada. (Photo by Sonia Recchia/WireImage)
LONDON, ENGLAND - MARCH 13: Princess Beatrice and Sarah Ferguson attend a memorial service for Sir David Frost at Westminster Abbey on March 13, 2014 in London, England. (Photo by Eamonn McCormack/WireImage)
LONDON, ENGLAND - JULY 08: Sarah Ferguson, Duchess of York and Princess Eugenie attend the Novak Djokovic Foundation London gala dinner at The Roundhouse on July 8, 2013 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)
LONDON, ENGLAND - APRIL 17: Sarah Ferguson, Duchess of York attends the Ceremonial funeral of former British Prime Minister Baroness Thatcher at St Paul's Cathedral on April 17, 2013 in London, England. Dignitaries from around the world today join Queen Elizabeth II and Prince Philip, Duke of Edinburgh as the United Kingdom pays tribute to former Prime Minister Baroness Thatcher during a Ceremonial funeral with military honours at St Paul's Cathedral. Lady Thatcher, who died last week, was the first British female Prime Minister and served from 1979 to 1990. (Photo by Christopher Furlong - WPA Pool/Getty Images)
LONDON, ENGLAND - DECEMBER 09: Sarah Ferguson attends the UK Premiere of 'The Theory Of Everything' at Odeon Leicester Square on December 9, 2014 in London, England. (Photo by Karwai Tang/WireImage)
LONDON, ENGLAND - DECEMBER 09: Sarah Ferguson attends the UK Premiere of 'The Theory Of Everything' at Odeon Leicester Square on December 9, 2014 in London, England. (Photo by Karwai Tang/WireImage)
TORONTO, ON - MAY 10: Sarah Ferguson, The Duchess of York attends The Scarborough World Gala Lifetime Achievement Award Ceremony at Sheraton Centre Toronto Hotel on May 10, 2014 in Toronto, Canada. (Photo by Ernesto Di Stefano Photography/WireImage)
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