Penelope's reaction was a little bit hilarious. Kourtney was actually holding the 3-year-old hand as they walked past a
parked car in Malibu
yesterday - but just at that very moment, one of the car doors flung open and hit poor
Penelope in the face. She went down and started crying. Her mom and the
person who opened the door tried to comfort her. See more photos after the cut...