The mother of 3 was actually holding 3-yr-old Penelope's hand as they walked past a parked car in Malibu on Sunday when one of the car doors flung open.

The car door caught Penelope, smack in the face, sending her into a heap on the floor, as she burst into tears.

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Kourtney and the nanny quickly comforted her as she is said to be doing well.

Penelope is the second of 3 kids, Kourtney shares with Ex, Scott Disick.

See the hilarious yet pained look on the little girls face in Pulse gallery.

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