Prepare For Cuteness Overload! Here Are All the Celebrities Who Welcomed Babies in 2019

The Big Bang Theory alum Johnny Galecki and girlfriend Alaina Meyer welcomed their first child, a baby boy named Avery, in December. "With full and grateful hearts we welcome our beautiful son into this incredible world," Johnny captioned a photo of him and Alaina holding their newborn's hands. "Thank you for all of your love and support."