The 'Home' singer's little boy is set to undergo treatment for liver cancer.
Katy Perry asks fans to pick Part Of Me poster
The 'I Kissed A Girl' singer has called upon her followers on Twitter site to help her choose the poster for her film.
can be seen posing and pointing whilst wearing an American flag jumper in one of the shots as a firework display goes on in the background.
The other picture sees a similar image being used with the star laughing as she holds a flag over her shoulder.
'MEOOOOOW!,' tweeted the star. 'Check it: I can't decide, which one of these two Twitter posters do you like better?'
You can view the two posters below. Which do you prefer?
The star headed straight from the jungle to panto...but clearly hadn't had time to learn her lines!