After finding out she had breast cancer in early 2020, Sarah Harding has revealed she turned to Girls Aloud bandmate Nadine Coyle for support to cope with the diagnosis.The singer, who recently broke her silence to update fans with her cancer battle, made the revelation in her new book, Hear Me Out. Sarah, 39, admitted she was a "mess" when she was told the heartbreaking news and immediately thought she was going to die.