You might be wondering why anyone would think to do this, and Katie has an answer in her caption for the video on Facebook
‘Just because I'm about to be a mom doesn't mean I have to grow up! Bwahahahahs never take life too seriously! Best Christmas gift ever! #havingababy #pregnancyhairgrowth’
Later she and her partner Scott welcomed their baby girl Jayden into the world.
Meanwhile her hilarious video has gone viral with over 120,000 views!