The 'Home' singer's little boy is set to undergo treatment for liver cancer.
JLS say JB is their 007
JLS think band member Jonathan 'JB' Gill would make the best James Bond of the four of them.
Oritse Williams thinks 'urban gentleman' JB would be ideal as the MI6 agent, and Aston Merrygold agrees.
'[JB] has got the swag - shaken but not stirred,' says Aston.
The band think the fact JB has the same initials as the spy doesn't hurt, either!
The star headed straight from the jungle to panto...but clearly hadn't had time to learn her lines!