Johnny has released the following statement regarding the cause for the procedure.
'On Sunday I went into hospital with a migraine. I had to have emergency surgery to have a brain tumour removed. I am on the mend and feeling positive. Keep me in your thoughts,' the 29-year-old says.
Johnny also shared his battle to Instagram, requesting his followers keep him in their thoughts during this difficult time.
Johnny's famous friends have reached out, responding to the graphic image posted on Instagram.
Along with this message, he posted a gruesome image of his stapled head, along with another shot of him in his hospital bed.
The actor, who found fame on The X Factor, has recently starred in Channel Nine’s House Of Bond.
Our thoughts are with Johnny and his family during this difficult time.
This article first published on New Idea.