Sarah Harding shares thanks for ‘love and support’ after cancer diagnosis

Sarah Harding has shared a message of thanks for the "love and support" she has received since revealing she has cancer.

The former Girls Aloud and Celebrity Big Brother star, 39, said she "can't deny things are tough right now".

Harding previously said in August she had been diagnosed with breast cancer, which had spread to other parts of her body.

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British singer Sarah Harding from girl band Girls Aloud poses at the launch of the new 'Ultimo lingerie' department in Debenhams Oxford street store, London November 12, 2007. REUTERS/Anthony Harvey (BRITAIN)
Cheryl excludes Sarah Harding and Nadine Coyle in Girls Aloud's 15th anniversary celebration
Cheryl excludes Sarah Harding and Nadine Coyle in Girls Aloud's 15th anniversary celebration
Cheryl DID watch Girls Aloud bandmate Sarah Harding in Celebrity Big Brother and found it 'heartbreaking'
Photo by: KGC-143/STAR MAX/IPx 9/4/14 Sarah Harding is seen at the ITV London Television Centre Studios. (London, England)
Sarah Harding attends the Jameson Empire Awards 2014 at the Grosvenor Hotel, London, Sunday March 30, 2014. (Photo by Jon Furniss/Invision/AP)
Girls Aloud from left, Sarah Harding, Nadine Coyle, Nicola Roberts, Cheryl Cole and Kimberley Walsh, arrive for the Jingle Bell Ball on Sunday, Dec. 9, 2012, in London. (Photo by Jonathan Short/Invision/AP)
Cast member and British pop group Girls Aloud's Kimberley Walsh, center, arrives with her group members Sarah Harding, left, and Nicola Roberts for the world premiere of the first British movie for children to be filmed in 3D, 'Horrid Henry: The Movie' at BFI (British Film Institute) Southbank in London, Sunday, July 24, 2011.(AP Photo/Akira Suemori)
This afternoon, Sir Richard Branson, Founder of Virgin Atlantic Airways, greets Miami with British singer, Sarah Harding, in celebration of 25 years connecting Miami and London Wednesday June 15, 2011 at Miami International Airport. (David Adame/AP Images for Virgin Atlantic )
British actress Sarah Harding attends the Empire Awards at a central London venue, Sunday, March. 27, 2011. (AP Photo/Jonathan Short)
Sarah Harding arrives for the BAFTA Film Awards 2011, at The Royal Opera House in London, Sunday, Feb. 13, 2011. (AP Photo/Joel Ryan)
British singer Sarah Harding arrives for the 2010 Empire Film Awards at a hotel in central London, Sunday, March 28, 2010. (AP Photo/Joel Ryan)
British band Girls Aloud members Nicola Roberts, left and Sarah Harding, arrive for the NME awards at the Brixton Academy, in south London, Wednesday, Feb. 25, 2009. (AP Photo/Joel Ryan)
British group Girls Aloud, from left, Sarah Harding, Nicola Roberts and Cheryl Cole arrive at the Brit Awards 2009 at Earls Court exhibition centre in London, England, Wednesday, Feb. 18, 2009. (AP Photo/Joel Ryan)
British group Girls Aloud, from left, Nadine Coyle, Kimberly Walsh, Sarah Harding, Nicola Roberts and Cheryl Cole arrive at the Brit Awards 2009 at Earls Court exhibition centre in London, England, Wednesday, Feb. 18, 2009. (AP Photo/Joel Ryan)
Singer Sarah Harding from British band Girls Aloud the Brit Awards 2009 ceremony at Earls Court exhibition centre in London, England, Wednesday, Feb. 18, 2009. (AP Photo/MJ Kim)
Girls Aloud band member Sarah Harding arrives to sign copies of their book 'Dreams That Glitter' at a bookstore in central London, Thursday, Oct. 9 2008. (AP Photo/Joel Ryan)
Singer with band Girls Aloud and actress Sarah Harding arrives for the World Premiere of "St Trinian's 2: The Legend of Fritton's Gold" at Leicester Square in London December 9, 2009. REUTERS/Luke MacGregor (BRITAIN ENTERTAINMENT)
British singer Sarah Harding from girl band Girls Aloud poses at the launch of the new "Ultimo lingerie" department in Debenhams Oxford street store, London November 12, 2007. REUTERS/Anthony Harvey (BRITAIN)
Singer Sarah Harding laughs alongside her partner Joe Mott as they arrive for the BAFTA (British Academy of Film and Television Arts) awards at the Royal Opera House in London February 11, 2007. REUTERS/Luke MacGregor (BRITAIN)
Sarah Harding a member of the British pop group 'Girls Aloud' arrives at the Capital FM Awards at the Royal Lancaster Hotel in London March 23, 2005. The winners of the annual awards are voted for by the radio station's listeners.
The members of the British pop group 'Girls Aloud' (L-R) Nicola Roberts, Nadine Coyle, Kimberley Walsh, Cheryl Tweedy and Sarah Harding pose for photographs as they arrive at the Capital FM Awards at the Royal Lancaster Hotel in London March 23, 2005. The winners of the annual awards are voted for by the radio station's listeners. REUTERS/Matt Dunham MD/MA
Sarah Harding during the 13th BGC Annual Charity Day at Canary Wharf in London, in commemoration of the 658 employees and 61 Eurobroker employees of BGC who were lost in the World Trade Center attacks on 9/11.
Sarah Harding during the 13th BGC Annual Charity Day at Canary Wharf in London, in commemoration of the 658 employees and 61 Eurobroker employees of BGC who were lost in the World Trade Center attacks on 9/11. PRESS ASSOCIATION Photo. Picture date: Monday September 11, 2017. Photo credit should read: Ian West/PA Wire.
Sarah Harding during the 13th BGC Annual Charity Day at Canary Wharf in London, in commemoration of the 658 employees and 61 Eurobroker employees of BGC who were lost in the World Trade Center attacks on 9/11.
Girls Aloud singer Sarah Harding leaves the New Wimbledon Theatre in London after making her stage debut in a new production of Ghost - The Musical.
Sarah Harding attending the European Premiere of Batman v Superman: Dawn Of Justice in Leicester Square, London.
Singer Sarah Harding supporting a charity day at the London offices of Bloomberg Tradebook, where the broker is donating the day's commission to 15 good causes.
Singer Sarah Harding supporting a charity day at the London offices of Bloomberg Tradebook, where the broker is donating the day's commission to 15 good causes.
Sarah Harding with Hudson, a domestic cat, during the auditions to find Britain's Happiest Cat and the new face of O2 Refresh, the network's Pay Monthly tariff, at the Pineapple Studios in Covent Garden, London.
Sarah Harding attending the Jean-Pierre Braganza Autumn/Winter 2015 London Fashion Week show, at the BFC Courtyard Show Space in Somerset House, London.
Sarah Harding with Hudson, a domestic cat, during the auditions to find BritainÕs Happiest Cat and the new face of O2 Refresh, the network's Pay Monthly tariff, at the Pineapple Studios in Covent Garden, London.
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On Thursday she tweeted: "Hi everyone. Thank you so much for all the messages of love and support that I've received since my last post.

"Everyone has been so kind and reading your comments and DMs has been such a huge source of strength to me.

"I can't deny that things are tough right now but I'm fighting as hard as I possibly can and being as brave as I know how."

Harding also said she has been asked to write an autobiography.

"It came at such a good time as it's given me something fun & positive to focus on while I've been stuck at home in between trips to the hospital for treatment," she said.

"I've nearly finished it now and this week Mum and I have been looking through old photos, choosing which ones to include."

She shared the news alongside an image of her as a child, as well as an image of what appears to be the book's cover.

BGC Charity Day - London
Sarah Harding shot to fame after appearing on Popstars: The Rivals 18 years ago (Ian West/PA)

Harding rose to fame alongside Cheryl Tweedy, Nadine Coyle, Nicola Roberts and Kimberley Walsh on ITV's Popstars: The Rivals in 2002.

Girls Aloud went on hiatus on 2009 before splitting in 2013.

Harding won the 2017 edition of Celebrity Big Brother.

She made her stage debut in Ghost – The Musical in 2016, a retelling of the hit 1990 film Ghost, which starred Demi Moore and Patrick Swayze.

Harding later appeared on Channel 4 reality show The Jump, on which she suffered a knee injury and was forced to pull out.

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