By Caroline Prosser
Published: 02:49 EST, 8 May 2014 | Updated: 10:34 EST, 8 May 2014
She's known for her trademark auburn locks.
And breaking the rule that red and green should never be seen, Nicola Roberts stunned in a flowing sage gown as she attended Gabrielle's Gala fundraiser at Old Billingsgate, London, on Wednesday.
The former Girls Aloud star, 28, wore a floor-length silk dress featuring spaghetti straps and a plunging neckline and back.
Turning heads: Nicola Roberts stood out at the 2014 Gabrielle's Gala at the Old Billingsgate Market in London, wearing a sumptuous green silk gown
Her long hair was worn in soft waves around her shoulders, while the singer added some nude pointed-toe shoes to finish her look.
Going for an ethereal look, the star kept her makeup simple, wearing a nude lipgloss and a flick of black eyeliner.
Sponsored by Lorraine Schwartz, the star-studded gala and fundraiser, organised by Gabrielle's Angel Foundation UK, helps support blood cancer research initiatives in the UK.
Stunning: Nicola styled her auburn hair into flowing waves while she kept her makeup simple with a natural lipstick and a black eyeliner
Flattering: The sage green silk gown clung to Nicola's every curve
Perfect accessory: In-keeping with her minimalistic outfit, Nicola carried a simple metallic clutch bag
Buddies: Nicola poses with fellow singer Rita Ora, who performed at the event
Ethereal: The pale green dress was the perfect complement to the star's porcelain skin
Last year 500 guests attended the event, in which tables cost £10,000, helping to raise £600,000 for the cause.
The evening included a cocktail reception, dinner, auctions as well as a special performance from Rita Ora.
Meanwhile, Nicola will be thrilled that her former Girls Aloud bandmate, Kimberley Walsh recently announced she is having a baby with her boyfriend, Justin Scott.
Making an impression: The Girls Aloud star looked sophisticated and elegant as she made her appearance at the red carpet event
Green goddess: Nicola looked radiant as she posed on the red carpet at the charity fundraising event
Glamorous: The Girls Aloud star emphasised her blue eyes with a dash of black eyeliner
Going green: Former Girls Aloud star Nicola Roberts meanwhile looked slim in her chic green maxi dress and nude heels
Working the room: Sponsored by Lorraine Schwartz, the star-studded gala, organised by Gabrielle¿s Angel Foundation UK, helps support blood cancer research initiatives in the UK
Pouting away: The 28-year-old opted against wearing any accessories and instead let her mane of red hair do the talking
In demand: The star was helped into her car amid crowds of awaiting photographers
Walsh is the second member of the band to become a mum after Nadine Coyle gave birth to a little girl in February.
And Sarah Harding told the Daily Mirror newspaper that Cheryl Cole wants to be a mum, even though she split up with her boyfriend Tre Holloway last year.
Sarah, 32, told the paper: 'I know that Cheryl is broody, but we both have our animals.
'Maybe I should think about having kids at my age, but I'm still young and while I do want them one day, right now I don't even think I'm responsible enough.'
Coordinated couple: The 29-year-old was accompanied by her husband Jay Rutland, whose outfit matched her own
Dazzling: Rita Ora made sure she all eyes were on her after opting for a plunging metallic dress, complete with revealing side split
Bold: The actress' plunging look featured a racy sheer panel that ran all the way to her waist, while her long red hair was worn down
The boss: Edith Bowman, who was hosting the proceedings, kept things simple in short black dress, with flared skirt detail
Say cheese: Ronan Keating arrived with girlfriend Storm Uechtritz, who opted for a strange cut out skirt and cropped blouse
Side-boob: The most daring outfit of the night went to Lady Victoria Hervey who chose a silver sequinned dress with racy sheer inserts along the side
Vamping things up: Chloe Green chose an-all-black look for the bash, which included a bodice style lace dress
Mixing it up: Lizzie Cundy flashed her ample chest in a clingy red dress (L) while Nina Nesbitt wowed in her gold feathered dress with black skirt design (R)
All white on the night: TV and radio presenter Sarah-Jane Crawford's red lipstick stood out against her all-white trouser suit
Cheeky! The former Boyzone star rested his hand on Storm's leg after taking their seat at the fundraiser
Shine Ya Light: Rita wowed the crowd with some of her biggest hits after fitting in a quick wardrobe change
Pout perfection: Rita styled her hair into two small knots and a plait after throwing on a plunging black dress and her favourite boots
Smouldering: Lady Victoria posed for a snap with model and musician James Rousseau, who stood out in a pale silver three-piece suit
Hand holding: Boris Becker kept his wife Lilly, who was dressed in a velvet jumpsuit, close as they arrived
Partygoers: MTV's Lilah Parsons' hair looked in perfect condition as she posed in her red summer dress (L) while Camilla Rutherford chose a shiny, green dress and metallic heels (R)
Off the wall: R&B singer Tallia Storm opted for incredibly high hair to go with her gold and black outfit (L) while Monochrome: Bip Ling stood tall in her platform white boots and a cute LBD and bag by DKNY (R)
Pretty in print: Singer and model Louise Griffiths kept her long legs under wraps in her vibrant maxi dress
Blooming lovely: Australian Denise Rich opted for a silhouette style dress, with floral detailing along the front
No smile here: Say Lou Lou twins Elektra and Miranda Kilbey both opted for black on the night
Roc The Life: Singer Ora gave photographers a wave as she made her way to the venue in a basketball jersey and boots
She's not ready yet! Bowman was spotted clutching her outfit as she arrived earlier in the day in a patterned jacket and jeans
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