Princess Beatrice wears a £370 high street dress on her first royal appearance with boyfriend Edoardo Mapelli Mozzi as they attend Lady Gabriella's wedding together
- Princess Beatrice and Edoardo Mapelli Mozzi started dating in October last year
- They stepped out at Lady Gabriella Windsor's wedding at St George's Chapel
- It is their first royal appearance following rumours they had become serious
- The chapel was the same venue for Beatrice's sisters' wedding last year
Princess Beatrice and Edoardo Mapelli Mozzi arrive at the wedding of Lady Garbriella Windsor and Thomas Kingston at St George's Chapel, Windsor Castle
Princess Beatrice wore a £370 high street dress as she made her first royal appearance with her boyfriend Edoardo Mapelli Mozzi at the wedding of Lady Gabriella Windsor and Thomas Kingston today.
Beatrice, 30, and father-of-one Edoardo, 34, kept their romance out of the spotlight when they started dating last year but have been seen more often of late.
Beatrice wore a white fascinator with a high street dress from Self-Portrait worth £370 as she stepped out with Edoardo in his morning suit at St George's Chapel, Windsor Castle.
They were joined by Beatrice's mother Sarah Ferguson, her father Prince Andrew and her sister Princess Eugenie who was married to Jack Brooksbank at the same venue last year.
Edoardo - who is known as Edo - is the stepson of Christopher Shale, a friend of David Cameron, who died at Glastonbury music festival in 2011.
The couple went public when they attended the annual gala for the Berggruen Prize for Philosophy and Culture in New York in December last year.
It's thought the two were friends for years before their friendship evolved into a romance.
Sarah, Duchess of York (left) waved as she arrived with her daughter Princess Beatrice and her boyfriend Edoardo Mapelli Mozzi
The pair appeared at the National Portrait Gallery in London in March (left) and leaving Annabel's nightclub in the same month (right) - the wedding is their first royal outing, confirming suspicions their romance has become more serious
Edoardo founded a real estate firm in 2007, and serves as its CEO to this day. The company specializes in finding and developing homes for wealthy clients.
Beatrice, who lives in New York and works full time as a consultant that introduces start-ups to potential financial backers, was spotted with her boyfriend several times in Manhattan throughout the Spring.
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The official appearance at the royal wedding confirms suspicions that the relationship has become more serious.
Beatrice is among a number of royal family members lead by the Queen at Lady Gabriella's wedding in St George's Chapel.
Princess Beatrice with Edoardo Mapelli Mozzi and jockey Frankie Dettori at the Bahrain Grand Prix in March
Princess Beatrice of York and Edoardo Mapelli Mozzi attend The Portrait Gala 2019 hosted by Dr Nicholas Cullinan and Edward Enninful to raise funds for the National Portrait Gallery's 'Inspiring People' project
Lady Gabriella is the daughter of Prince Michael of Kent, a minor royal who is the Queen's cousin.
Her mother Princess Michael, has made headlines over the years for her outspoken comments, being dubbed 'Princess Pushy' by the press.
Her parents married in 1978 and she has one older sibling, her brother Lord Frederick, known as Freddie, who hit the headlines after admitting to using drugs at university.
Beatrice and Edoardo leaving 34 restaurant in London in April
Lord Frederick married Peep Show actress Sophie Winkleman in 2009 and the pair have two children together.
Lady Gabriella, who is known as Ella, studied at both Brown University in the US and the University of Oxford, with degrees in Comparative Literature and Social Anthropology.
The 38-year-old works as an arts and travel director for brand company Branding Latin America, based in Knightsbridge, London.
The ceremony began at noon, conducted by the Dean of Windsor, the Right Reverend David Conner.
It is the third royal wedding in the 15th-century venue in less than a year following the star-studded nuptials of the Duke and Duchess of Sussex last May and Princess Eugenie and Jack Brooksbank in October.
The Duke of Cambridge, president of the Football Association, did not attend the wedding due to the FA Cup final between Manchester City and Watford in the evening.
Lady Gabriella had been dating Mr Kingston for a number of years when he proposed last summer.
Mr Kingston is a director of Devonport Capital, which specialises in providing finance for companies in 'frontier economies' and is a close friend of Pippa Middleton.
How Princess Beatrice became queen of the fascinating fascinator
Princess Beatrice famously donned this pink Philip Treacey hat
Princess Beatrice, 30, has been long been a fan of decadent fascinators.
The royal donned a bespoke white headpiece by Jess Collett for Lady Gabriella Windsor's wedding today.
She recieved wide spread attention for wearing a plush pink 'pretzel' hat to Prince William and Kate Middleton's wedding in 2011.
The Philip Treacey hat was widely criticised at the time.
The royal later spoke out about the publicity, telling Vogue magazine: 'When everyone else was saying "you look ridiculous", you have to have a sense of humour.'
She has since been snapped in a variety of fascinating fascinators, and regularly causes a splash with her choice of headpiece.
Princess Beatrice is a keen fan of the fascinator, but donned slightly less extravagant headpieces to Prince Harry's wedding (left). Meanwhile she wore a purple hat for her sister Princess Eugenie's wedding last year
Princess Beatrice has worn slightly less extravagant at the other two royal weddings in the past year.
She donned a green hairband style headpiece for Prince Harry and Meghan's wedding last May.
And she wore a purple hairband by Stephen Jones for her sister Princess Eugenie's wedding to Jack Brooksbank in October last year.
