How Sarah Harding's diagnosis pulled Girls Aloud together as they rallied round in support

Sarah Harding's Girls Aloud bandmates Nicola Roberts and Nadine Coyle lead the emotional tributes

Sarah Harding: 5 Things To Know About The Girls Aloud Singer, 39, Who Has Died From Breast Cancer

A look inside Sarah Harding's life in the spotlight - from Popstars: The Rivals to post-Girls Aloud fame