here is nice app Called celebrity clicks.This app can can make your wish come true by clicking photo with your fav celebrities.
Celebrity clicks offers u to take pic with your loved celebrity and provied you effects which will make it look even more real.
The brightness, contrast adjust option is given to make the celebrity match the lighting of the camera. The celebrity can be moved around and even zoomed to make the photo relaistic. After app the fun u had by taking picture u can even save the photo,share via facebook,twitter,e-mail.
In the whole its a fun filled app.
Download it in below given link.
This is the how to do use video to help take a perfect pic
Checkout some ammazing photos in the below link