Secret Celebrity Couples You Had No Clue Were Together

Taran Killam and Cobie Smulders

While HMIYM was airing, Smulders got her then-boyfriend a recurring role as Gary Blauman. Most people didn't realize that they were even dating at that time! The two eventually got married in 2012 and have two daughters together.

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The More You Know

  • The world record for the tallest stack of doughnuts totaled more than 3,000.
  • Nutella was invented during WWII, when an Italian pastry maker mixed hazelnuts into chocolate to extend his chocolate ration.
  • There are snakes with two heads, which compete with each other for food.
  • There are more twins now than ever before.
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