Crazy Transformations of the Kardashian Cast

7 Going On 20

Baby Penelope is already 7 years old but dresses like she's 20. Apparently, she takes after her mom and aunts with their passion for fashion. Her and cousin North are the best of friends, too!

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The More You Know

  • The first TV commercial didn't air until the 1940s.
  • There are snakes with two heads, which compete with each other for food.
  • The sun and moon appear to be the same size in the sky because of an astonishing coincidence: the moon is 400 times smaller but 400 times closer.
  • The loudest animal on earth is the sperm whale.
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