It's usually more something like this:
Jacqueline showing off he new pearly whites! Not the best shot, but the best one that shows her teeth. Beware...if you let her grab your hand, the first thing she does is try to put it in her mouth to chomp down with her razor sharp teeth.
She is laughing at something Christian is doing here. He's the only one who can reliably and easily get a laugh out of her, and he doesn't even have to do much to get it.
They kind of have the same look on their faces here. it's hard to get photos of them together, because Jacqueline is always grabbing you if you get too close. Here I think she's holding on to his ear.