Sarah Harding phoned her Girls Aloud bandmates just days before she took to social media to say she was battling cancer.The 38-year-old star was supported by her former bandmates, Cheryl, Kimberley Walsh, Nadine Coyle and Nicola Roberts on Wednesday.Now, sources have said that the Sound of The Underground hitmakers reunited for a tear-jerking phonecall just several days ago.Sarah's earth-shattering diagnosis is said to have brought the five-piece closer than ever, following their decision to disband in 2013 after 11 years dominating the charts.
Speaking to The Mirror, an insider said: "There is so much shared history between them all and to hear this from Sarah was utterly heartbreaking.
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