The Girls Aloud singer has sadly died at 39. RIP.
Waterman was a judge on 'Popstars: The Rivals', the talent show on which Girls Aloud formed
Her family confirmed the sad news on Instagram
“I’ve always had an absolute love and passion for R&B,” Cole said in announcing the series
Coyle said the group are "very much thinking about" Sarah Harding
The Girls Aloud singer was diagnosed with breast cancer last year
Remembering Simon Amstell and Miquita Oliver's greatest hits – like when they asked Britney Spears if she'd ever licked a battery
Sarah Harding, Grimes and Wiley also feature in the top 10
"I can’t deny that things are tough right now but I’m fighting as hard as I possibly can"
The singer confirmed that the disease has since spread to other parts of her body