Every Teem Mom cast member seems to possess a special skill: broadcasting her pregnancy to the world in the most exciting way possible! From creative pregnancy announcements to sweet baby bump selfies, stars like Chelsea Houska, Kailyn Lowry, Catelynn Lowell, Leah Messer, Mackenzie McKee and Amber Portwood have brought millions of Instagram fans along for the ride as they document their journeys as mothers.