$7K detail in Eugenie's quiet appearance amid Andrew and Fergie's involvement Epstein scandal

It's business as usual for Princess Eugenie, who kept a low profile as she attended an art fair for work amid the increasingly revealed links between her parents Andrew Mountbatten-Windsor and Sarah Ferguson to Jeffrey Epstein.

The royal did not make her appearance at Art Basel Qatar known on her own social media, with Finnish reporter Rita Tainola instead sharing a photo taken with her.

The 35-year-old, who was at the fair in her capacity as director at Hauser and Wirth, the contemporary art gallery on Savile Row, was seen interacting with others at the show.

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She wore an asymmetric top and midi skirt from Reiss, accessorising with a black leather handbag from Mark Cross, white sneakers, and mushroom-shaped gold and diamond earrings from Sophie Elis.

Altogether, her outfit cost $US5452 ($7773), according to Instagram fashion account Royal Fashion Police.

Tainola added in her caption, "by the way HRH princess Eugenie, Eugenie of York, is a very nice woman with good self confidence 👍"

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It has been a tough week for the family, with Eugenie and her sister Princess Beatrice's parents being named in the Epstein files.

The latest tranche of Epstein files, which contain three million documents, show a photo of Andrew on all fours leaning over an unnamed woman.

Ghislaine Maxwell, in an email sent to Epstein in 2015, said the photograph of Andrew with his arm around the waist of Virginia Giuffre, who was 17 at the time, was real.

Andrew has always maintained the picture is a fake and that he was at Pizza Express in Woking at the time it was allegedly taken inside Maxwell's flat in 2001.

Other damaging revelations to have emerged from Friday's document release include claims an exotic dancer was asked to have a threesome with Andrew and Epstein in Miami in 2006.

The emails, sent over the course of several years, also reveal how deeply Epstein was intertwined with Andrew and his ex-wife Sarah Ferguson.

Andrew and Fergie's daughters, Princess Beatrice and Princess Eugenie, are mentioned at various points in the cache of files.

One of the most shocking pieces of information to emerge is that Epstein bought plane tickets for Ferguson and her daughters so they could visit him in the US shortly after his release from prison.

It was 2009 and Epstein had just been released after serving 12 months for soliciting a child for prostitution.

Epstein would have still been under house arrest; Beatrice aged just 20 at the time and Eugenie 19.

Other emails indicate a lunch took place between Ferguson, her daughters and Epstein. They dined on vegetable lasagne and salad.

There are many other instances of the York family being mentioned in the files.

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