“I understand this might be shocking to read on social media and that really isn’t my intention. But last week it was mentioned online that I had been seen in hospital, so I feel now is the time to let people know what’s going on and this is the best way I can think of to do so.
“My amazing mum, family and close friends are helping me through this, and I want to say a thank you to the wonderful NHS doctors and nurses who have been and continue to be heroes.
“I am doing my very best to keep positive and will keep you updated here with how I’m getting on. In the meantime I hope you’ll all understand and respect my request for privacy during this difficult time. Sending you all so much love….xx.”
In an update in December the singer said things were “tough”, but she was being “brave”.
She also said she had been working on a book about her life story.