Judges Cheryl Fernandez-Versini, Mel B, Simon Cowell and Louis Walsh hunt for the next big singing star.
Jones flashes her legs on One Show
Alex Jones wore a dress made from balloons on The One Show
Alex Jones gave viewers an eyeful when she popped out of a rubber dress.
She showed off a frock made entirely from balloons on Wednesday night's edition of The One Show - but as she tried to sit down, she struggled with the hemline and flashed her legs as the credits rolled.
When co-host Jason Manford insisted on tweaking the balloons until they burst, leaving bare patches at the top of her legs, Alex shrieked: "I can't believe he's wrecking my dress - honestly."
The glamorous presenter was modelling a white strapless balloon frock with a rainbow design spiralling around it and on the hem - although it looked like a knitted loo roll cosy.
Alex told viewers about the painstaking work by a balloon modeller which had gone into it.
"There's 350 balloons and it took 10 hours to make," she said.
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