Jon and Kate Gosselin apparently went at it full force Thursday night in a fight so nasty the cops got involved. What was the cause of the drama? Well, according to some sources, Kate Gosselin showed up unexpectedly at the family home where Jon Gosselin was taking his turn with the kids - and started screaming at him over an alleged affair with babysitter Stephanie Santoro.

Looks like Jon & Kate Plus 8 stars Kate Gosselin and Jon Gosselin may have tangled with police again Thursday night. Police were reportedly called to the family home Thursday evening after yet another screaming argument.