KIM, Khloe and Kourtney Kardashian look unrecognizable in a “good throwback” photos.

The famous family have shared a number of old snaps to celebrate Kourtney’s 42nd birthday on Sunday.

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Kim, 40, took to her Instagram Story to share an old photo in honor of her older sister’s birthday.

In the photo, Kim, Kourtney, Khloe and their mother Kris Jenner smiled for the camera as they appeared to be on a beach.

Alongside…