Because some moron *cough*Perez Hilton*cough* thought those were pictures of Kate Gosselin and some mystery guy she's dating. As I stated above, two wrongs make one big hilarious tangle of wrongs that make him look like the gossiping fool he is.
You can see his original post in a search here:
That's obviously Peter getting into the car. The link now leads to a page that magically doesn't exist anymore. Hilarious...he called out his own lie.