The 'Home' singer's little boy is set to undergo treatment for liver cancer.
Christopher can remember the shock when it was announced Robbie was to leave the band.
What's your favourite Take That song?
Who's your favourite Take That member?
Tell us a story or memory about Take That:
I remember when Robbie leaved Take That, everybody was so shocked but then he became a international star i remember when Gary Barlow told the world that Robbie leaved i was so shocked.
The star headed straight from the jungle to panto...but clearly hadn't had time to learn her lines!