This is not OK.
Jennifer Lopez and Casper Smart are the cutest couple of cold-blooded killers since Bonnie and Clyde!
The coordinated couple even used their dance skills to pose like martial arts assassins in a tree!
Ch-ch-check out the pics (below) to see the twin ninjas in action!
Of course, if they were real ninjas, we wouldn't be able to see them at all. They'd just come up behind us while we weren't loo-
[Image via Twitter.]