Since the show aired in 2002, we've seen Cheryl (then Tweedy), Nicola Roberts, Kimberley Walsh, Sarah Harding and Nadine Coyle grow up in front of the cameras.
But what do their fellow competitors - Emma Beard, Javine Hylton, Aimee Kearlsey, Lynsey Brown and Chloe Staines - look like now?
This! Would you have recognised them?
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