They could be sisters! Lady Kitty Spencer is joined by her VERY glamorous mother Victoria Aitken at Tatler's English Roses 2017 party

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It was an evening dedicated to some of the most beautiful, interesting and promising young women in Britain so it's hardly surprising that Princess Diana's niece, Lady Kitty Spencer, was at the top of the guestlist.

The stunning blonde socialite dressed to impress in a chic black dress as she arrived at the Tatler Magazine English Roses 2017 party in association with Michael Kors at the Saatchi Gallery.

Lady Kitty turned heads in an elegant black dress as she was joined by her equally glamorous mother, Victoria Aitken, the former wife of Princess Diana's younger brother Charles Spencer. 

Victoria looked much younger than her 51 years as she joined her 26-year-old daughter and son Louis Spencer, Viscount Althorp, at the glittering society event. 

Lady Kitty Spencer (L) and mother Victoria Aitken posed for photographs together at the fashionable Tatler event 

Lady Kitty Spencer attended Tatler's English Roses 2017 in association with Michael Kors at the Saatchi Gallery last night with her mother and looked chic in a black gown

Other attendees included musicians, actresses, dancers, equestriennes, poets and artists. 

The mother and daughter duo made a fashionable appearance at the event and stuck firmly with Gothic glam in their red and black colour choices.

Princess Diana's niece wore a fitted dress with sheer black sleeves and completed her outfit with a gold and black clutch bag and high black heels.

She kept her blonde hair in a half-up-half-down do and let loose ringlets fall in front of her face.

Her mother went for something a little brighter in a structured red brocade dress with a fishtail hem.

Lady Kitty Spencer and mother Victoria Aitken were joined by brother Louis Spencer, Viscount Althorp who wore a unbuttoned white shirt 

The mother and daughter went for Gothic glam in their dark outfits and matching black heels 

Michael Kors (C) poses with English Roses including Clara McGregor, Aziya Aldridge-Moore, Idina Moncreiffe, Hum Fleming, Lady Lola Crichton-Stuart, Livvy Banks, Renee Stewart, Tess Ward and Lady Kitty Spencer

The mother-of-four kept her long blonde hair down and finished off her outfit with simple black heels. 

The mother and daughter were joined by Lady Kitty's 23-year-old brother for the multi-media exhibition of images held in association with Michael Kors at the Saatchi Gallery. 

Tatler's English Roses include Lady Kitty Spencer, Lady Tatiana Mountbatten, Lady Eliza Manners and Lady Lola Crichton-Stuart.

According to Saatchi Gallery, these women were 'photographed in and around Lady Pamela Hicks's home, the Grove, on a gorgeous spring day, creating a timeless and yet modern series of images that will cement them as the faces of their generation.

'Ten of the women, including cover star Lady Lola Crichton-Stuart, were captured in Fall 2017 Michael Kors Collection.'

Michael Kors said of the exhibition: 'I've always been inspired by people who are curious, who are thinking about what's next and what's new.

'These women represent the balance of youth and sophistication, polish and ease, knowledge and curiosity, that's necessary for life today.'

Lady Kitty Spencer (L) and Renee Stewart smiled as they posed for photographs together at the event 

Michael Kors (C) poses with English Roses including Clara McGregor, Aziya Aldridge-Moore, Idina Moncreiffe, Hum Fleming, Lady Lola Crichton-Stuart, Livvy Banks, Renee Stewart, Tess Ward and Lady Kitty Spencer

The gallery describes the evening as bringing Tatler magazine 'to thrilling life, with portraits, behind the scenes video and even an interactive disco booth.

'You'll come for the photography, but you'll stay for the party.' 

Thursday night saw Kate Reardon and Michael Kors host the exclusive opening party at London's Saatchi Gallery to open the exhibition.

'As the oldest magazine in the world, Tatler has long been dedicated to chronicling the most fabulous members of British high society,' Kate said.

'More than anything, we understand the special alchemy that creates an It-girl – that rare combination of beauty, charisma and timeliness which, happily, is synonymous with Michael Kors and their tradition of championing young rising stars the world over.' 

Lady kitty has listed her main hobby as playing board games and the 26-year-old has said 'Backgammon is my favourite'.