Which 16 and Pregnant Star's Son Slept on Her Baby Bump? (PHOTO)

Kristina, who was on 16 and Pregnant Season 4, is definitely ready to give birth, but her son will miss laying on her baby bump!

This picture, which she posted on Instagram on Dec. 5, is almost too cute to handle, and we bet little Lukas is going to be a great big brother.

Did you know it was Kristina? Tell us below, and then click here to play more “Guess Who?”