Celebs smiling on a red carpet for an event, yes, they know the cameras are going to be there so they dog and pony it down and pose to their hearts content.
Now, let's study these EXCLUSIVE photos GSI took of LeAnn Rimes, Eddie Cibrian and the boys at the LA Zoo on Halloween 2011. They look right at the camera and SMILE! "Look kids, it's GSI! Smile!" Now look at other pics of LR and Ed with boys, Ed looks away, doesn't smile, why? He's not going to get any of the money for the pic!