Alan Carr and Adam Hills for Channel 4's Stand Up To Cancer fundraiser for Cancer Research UK. Davina told how reading about Sarah Harding's death from breast cancer brought back memories of her sister.
She told The Mirror: 'I read somewhere that she'd given herself a hard time for not going to sort it out earlier. My sister was given a terminal diagnosis in hospital and gave herself a hard time for not doing something about it. 'There's nothing like the look on someone's face when they realise there's no treatment.Read more on msn.com