S Club 7's Jo O'Meara has announced she is in hospital for emergency back surgery to remove a disc after being left in "horrendous pain" when an old injury flared up.
The singer, 43, who injured her back in 2002, took to Twitter on Wednesday to tell her fans she was having to pull out of her work commitments to undergo the procedure.
Sharing a photo of herself in her hospital gown, Jo wrote: "I am so sorry to announce, that I will not be able to attend @PrideFife on Saturday. I have had some health issues with my back