Cheryl says Sarah Harding is on her brain "every hour" as former bandmate battles cancer Cheryl has opened up about her former Girls Aloud bandmate Sarah Harding's battle with cancer in her book Hear Me Out 15:24, 17 MAR 2021 Updated The video will auto-play soon8Cancel Play now Get the latest North East news and updates delivered straight to your inbox Invalid EmailSomething went wrong, please try again later. Subscribe When you subscribe we will use the information you provide to send you these newsletters. Sometimes they’ll include recommendations for other related newsletters or services we offer. OurPrivacy Noticeexplains more about how we use your data, and your rights. You can unsubscribe at any time.