#4 Duncan documented her fit pregnancy on Instagram.
She wanted to keep her 563,000 Instagram followers up to date on her fitness routine and baby bump developments.
#5 Duncan gave a birth to a beautiful and healthy baby boy.
Jeremiah Thomas Duncan was born on March 25, 2016, weighing 7 pounds 13 ounces. They call him Miah for short, and he's pretty darn adorable.
#6 This is what Duncan looked like just a few weeks after giving birth.
Crazy, right? There's no way that she just had a child. It's just not possible.
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