Heigl, 33 and her husband Josh Kelley adopted their first daughter, Naleigh, from South Korea when she was 9-months-old and has recently adopted Adalaide Marie Hope shortly after her birth.

"I had never had a newborn before. I didn't really have that experience. So it's all been new. I was prepared for the nights and having to get up and all of that. But the beauty of it is it's really only a few months of your life that you're walking around like a zombie because you haven't slept," she said.

Katherine Heigl. Pic/Santa Banta