VIDEO : Kristin Cavallari Pumps Breast Milk in a Public Bathroom, Posts Pic to Prove It!

When you gotta pump, you gotta pump!
Kristin Cavallari took to Instagram earlier today to share a photo that any mother out there can relate to.
The 28-year-old shoe and jewelry designer wrote,"Pumping in airport bathrooms. Feel like I JUST put all my pumping essentials away--won't be long before I'm at it again."
Her accompanying snapshot shows the pregnant beauty holding up her breast pump as she makes an exasperated face.