Princess Eugenie and long-term boyfriend Jack Brooksbank are engaged to be married, the Royal Family has announced.
The couple became engaged in Nicaragua earlier this month and will tie the knot in the autumn at St George's Chapel in Windsor – the church hosting Prince Harry and Meghan Markle's wedding in May.
Eugenie, 27, began dating Mr Brooksbank, 29, around seven years ago after they met while skiing in the Swiss resort of Verbier.
The Stowe-educated socialite was the manager of Mayfair nightclub Mahiki and is now the UK brand ambassador of Casamigos Tequila, which was co-founded by actor George Clooney.
Buckingham Palace said Eugenie's parents, the Duke of York and his former wife Sarah Duchess of York, were delighted to announce the engagement.
Sarah Ferguson tweeted a series of pictures showing Princess Eugenie with Mr Brooksbank, saying: "I always say that the river flows well to it's destiny because of the guidance of a solid rock."
She posted one photo of the couple with the caption "total joy", and another which said "they float with laughter and love".
The Duke of York said: "I'm just completely overjoyed for them and wish them every happiness."
Nicola and George Brooksbank, the parents of Eugenie's fiance Jack Brooksbank, say they are "over the moon".
The couple said in a brief statement: "We could not be more delighted with the news of the engagement.
"We are completely over the moon and are very excited for them both."
She graduated from Newcastle University after studying English and history of art, and is now a director at the contemporary art gallery Hauser & Wirth in London.
She is also the patron of various charities including the Elephant Family, the Teenage Cancer Trust and the Coronet Theatre and The European School of Osteopathy.
Eugenie underwent back surgery aged 12 to correct a scoliosis condition, and is now patron of the Royal National Orthopaedic Hospital.

Her husband-to-be met the Queen at Balmoral when he and Eugenie attended Prince Harry's 32nd birthday in September 2016.
The Queen reportedly gave the couple her blessing for their marriage.
A Buckingham Palace spokesman said the Queen and Duke of Edinburgh "are very pleased and wish the couple all the best".
Eugenie is currently eighth in line to the throne, but will be ninth in line after the arrival of William and Kate's third child.
How does the current order of succession stack up?
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Prince Charles
As the firstborn son of Queen Elizabeth II, the Duke of Cornwall is first in line for the throne.
Born on 14 November 1948, Prince Charles has been the heir apparent since his mother's accession to the throne four years later.
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Prince William
The Duke of Cambridge is second in line to the throne after his father, with his children behind him in the order of succession.
After two years as an air ambulance pilot, William is now carrying out his royal duties on a full-time basis from Kensington Palace.
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Prince George
The Duke and Duchess of Cambridge's first child pushed his uncle, Prince Harry, down the line of succession when he was born in July 2013.
This week, the four-year-old will start his first academic year at independent school Thomas's Battersea.
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Princess Charlotte
Just over a year after the birth of Prince George, Kensington Palace announced that the Duke and Duchess of Cambridge were expecting a second child.
Born on 2 May 2015, Princess Charlotte was the first royal to be subject to changes to the Royal Marriages Act, which gives girls and boys equal right to the throne.
For Charlotte, it means that she will stay fourth in line to the throne even if the Duke and Duchess of Cambridge welcome a second son in 2018.
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Prince Harry
Until the arrival of William and Kate's third child, Prince Harry will remain fifth in line to the throne.
Earlier this year, Prince Charles and Princess Diana's youngest son suggested that no one in the Royal Family wants to take over from the Queen but said "we will carry out our duties at the right time".
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Prince Andrew
The Duke of York was the first child born to a reigning monarch since the birth of Queen Victoria's youngest child, Princess Beatrice, in 1857.
He was born second in line to the throne, but was been pushed down to sixth after the birth of Prince Charles' sons and grandchildren.
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Princess Beatrice
The eldest daughter of the Duke and Duchess of York is now the second highest ranking female in the line of succession, following the birth of Princess Charlotte.
The 29-year-old business consultant is involved with a number of charities.
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Princess Eugenie
The 27-year-old is the Queen's sixth grandchild and eighth in line to the throne.
In 2013, she moved to New York City to work for an online auction firm but has since moved back to London to work for Hauser & Wirth art gallery as an associate director.
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Prince Edward
The Queen and Prince Philip's youngest son was born as the third in line to the throne.
He has since fallen to ninth, and will drop a place lower after the birth of the Duke and Duchess of Cornwall's third child.
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James, Viscount Severn
Though he is four years younger than his sister, Lady Louise Windsor, James is one place higher in the order of succession to the throne.
The son of Prince Edward and Sophie, Countess of Wessex, will drop to 11th in line after the birth of William and Kate's next child.
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Lady Louise Windsor
The Earl and Countess of Sussex's daughter, currently 11th in line to the throne, was born four weeks premature in November 2003.
During her birth, the Countess suffered a placental abruption, a potentially life-threatening condition which caused her to lose several pints of blood.
Lady Louise's life was also in danger and she was transferred to a hospital in London.
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Princess Anne
Due the primacy boys previously had under the Royal Marriages Act, the Queen and Prince Philip's only daughter is 12th in line for the throne.
The Princess Royal is known for her charity work and an equestrian career which saw her compete in the 1976 Montreal Olympics.
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