By Daily Mail Reporter
Published: 06:02 EST, 4 July 2014 | Updated: 10:25 EST, 4 July 2014
She famously lifted the glitterball trophy in series of eight of Strictly Come Dancing alongside partner, and later boyfriend, Artem Chigvintsev.
However it would have been difficult for Kara Tointon to show off her footwork in the figure-hugging, fringed gown she wowed in on Thursday, for the Race Week Exhibition at London's HAC Artillery Gardens Ball.
The actress looked stunning in her pricey diamonds - said to be worth £1 million - as she celebrated the British Grand Prix.
Showstopping: Kara Tointon tuned heads as she arrived at the Race Week Exhibition at London's HAC Artillery Gardens ball celebrating the British Grand Prix on Thursday
Eye-catching: The actress wowed in a floor-length black gown, complete with fringed detailing throughout
The 30-year-old sparkled up the green carpet in her stunning necklace by Vashi.com, which was made up with over 20 two and three carat diamonds, as well as a matching bracelet and drop earrings.
The gems by jeweller-to-the-stars Vashi Dominguez were so expensive that she had to have a security guard with her at all times.
The brunette beauty told the MailOnline: 'It was a bit worrying that I had about one million pounds worth of diamonds around my neck.
Coordinated: The 30-year-old walked the green carpet flanked by a security guard and Vashi.com owner Vashi Dominguez
Dazzling: The former EastEnders star reportedly wore £1 million worth of diamond jewellery
Nice view: Kara was pictured next to a black Formula One car while stood on an apt, checkered floor
'But the guard from the firm was never more than about 30 yards away from me at all times just to make sure no one made a grab for them.'
The star showed off her trim figure in her strapless gown by Clinton Lotter while her tresses were styled into a voluminous quiff.
Kara finished off her outfit with dramatic and dark eye-make-up, before discussing the new series of Mr Selfridge, which she came straight from filming in Neasden.
Worth he weight in jewels! It was Kara's dramatic make-up that was impossible to miss while she sported a volumised 'do
All that sparkles: Linzi Stoppard showed off her pins in a thigh-skimming black dress complete with usual neckline (L) while Sir Ben Ainslie looked dapper in a class black tux (R)
Ladies man: Duncan Bannatyne arrived with his girlfriend (far left) and two other glamorous guests
She commented: 'We are filming the series in a former carpet warehouse and it's been great fun. I'm playing Jeremy Piven's daughter for the role and I've kind of got used to calling him 'Pa'.'
The West End regular posed next to several vintage F1 cars at the bash in aid of the Princes Trust.
Also in attendance on the night was Duncan Bannatyne, Sir Ben Ainslie, Linzi Stoppard and Olympic skier Chemmie Alcott.
Keeping it simple: Athlete Chemmy Alcott opted a long black maxi and embellished silver necklace and snakeskin clutch
No one's looking at the motors! The violinist stood amongst a number of racing cars outside the impressive building
Wowing the crowd: Later in the night, Linzi took to the stage alongside Ben Lee in another sparkly creation
Say cheese! The Dragon's Den star - who reportedly split from DIY SOS designer Julia Kendell in May - held hands with his new partner who wowed in a plunging dress
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