The surviving members of Girls Aloud have all paid tribute to their late bandmate Sarah Harding following her death at the age of 39 from cancer.

Cheryl, Kimberley Walsh, Nadine Coyle and Nicola Roberts posted tributes on social media.

Sarah Harding revealed last August that she had been diagnosed with breast cancer, which had spread to other parts of her body.

Her mother Marie announced her passing on Instagram on Sunday and described her "beautiful" daughter as "a bright shining star".

"Although we knew this day would arrive I am somehow still feeling at a loss for words that our stunning, unique, crazy, quirky, kind and soft hearted girl has departed," Cheryl wrote on Instagram.

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"As I try to navigate my way through these painfully strange and horribly unfamiliar waves of disbelief & finality I am experiencing, I wanted to extend my condolences to all of our GA fans. We were like an extended family for so long and we know so many of you by name.

"I wanted to make sure you knew just how much your love and continued support meant to Sarah through her most vulnerable times. She was so grateful and you really lifted her spirits when she needed you most 🙏🏼 I also realize so many will be deeply affected by the circumstances of Sarah's passing… I am sending you all so much love 💔 I love you Sarah… farewell 🕊."

Cheryl concluded: "Sarah Nicole Harding forever in our hearts 💖💞🙏🏼."

Kimberley Walsh wrote: "Beautiful Sarah this hurts so bad. To wake up and know that you are really gone is too much to bear.

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"Hearing your infectious chuckle was one of my favourite things in the world. Your fire burned so bright and you loved, lived and laughed so hard.

"Sending love and strength to everyone who is grieving today. My heart is broken."

Nadine Coyle posted a photo of Sarah Harding smiling broadly on Instagram and said she was "absolutely devastated" by the news.

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She added: "I can't think of words that could possibly express how I feel about this girl & what she means to me!!

"I know so many of you will be feeling this way. For now I'm sending so much love to you!!!"

Nicola Roberts shared a series of photos of them together during Girls Aloud's early years and wrote: "I'm absolutely devastated and I can't accept that this day has come. My heart is aching and all day everything we went through together has raced round my mind.

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"Especially this last year since her diagnosis, as hard as the year has been, our new memories are strong in my heart.

"There are so many things to say and at first it felt to [sic] personal to put them here and then I remembered that there are so many other people grieving her too.

"A part of me or us isn't here anymore and it's unthinkable and painful and utterly cruel. She would have loved your messages today."

She described her bandmate as "Electric girl" and added: "You gave it everything and still with a smile.

"A white butterfly flew past my window this morning before I knew, it must have been you."

Sarah Harding's mother Marie announced her death on Sunday with a message that said: "It's with deep heartbreak that today I'm sharing the news that my beautiful daughter Sarah has sadly passed away.

"Many of you will know of Sarah's battle with cancer and that she fought so strongly from her diagnosis until her last day. She slipped away peacefully this morning.

"I'd like to thank everyone for their kind support over the past year.

"It meant the world to Sarah and it gave her great strength and comfort to know she was loved.

"I know she won't want to be remembered for her fight against this terrible disease - she was a bright shining star and I hope that's how she can be remembered instead. - Marie x."

Sarah Harding on The Ray D'Arcy Show in September 2017

Music manager Louis Walsh, who helped create Girls Aloud on ITV show Popstars: The Rivals in 2002, said he would remember Sarah Harding with "great fondness".

In a statement, he said: "It's just sad she has gone too young. She was always fun and the life and soul of the party.

"Anytime she came to Dublin in the early days we went out to the Pod nightclub and would be the last to leave.

"It's just so unfair, I was hoping she was getting better. She was fun and loved music, dancing and life. I will remember her with great fondness."

Geri Horner of the Spice Girls, who was also a judge on The Rivals, wrote on Twitter: "Rest in peace, Sarah Harding. You'll be remembered for the light and joy you brought to the world."

Former Big Brother host Davina McCall wrote: "So so sad to hear about Sarah ... a star from the get go, hugely fun and outgoing yet also somehow fragile ... love to her family and friends."

Earlier this year, Sarah Harding said she was told by a doctor she would probably not be alive next Christmas.

In an extract of her memoir, titled Hear Me Out, which was published in The Times, Harding wrote: "In December my doctor told me that the upcoming Christmas would probably be my last.

"I don't want an exact prognosis. I don't know why anyone would want that.

"Comfort and being as pain-free as possible is what's important to me now."

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Source: Press Association