X Factor All Stars will have all the old winners

X Factor All Stars: Who is competing in the reboot and when is it on TV?

Louis has spilled the beans

Louis Walsh CONFIRMS Alexandra Burke and more will return for X Factor All Stars

Child star Olivia is still a singer now but is based in the US

Love Actually's Olivia Olson to appear on ITV’s Celebrity X Factor after impressing big bosses

Louis Walsh will be back on The X factor

Louis Walsh to make X-Factor comeback

'The X Factor' Finalists Party

Simon Cowell ‘lines up Leona Lewis, Chico and Shayne Ward’ for X Factor All-Stars

The 2018 judging panel of The X Factor could be returning to a different show

The X Factor undergoes HUGE shake-up to become 'celebrity singing contest'