The Big Bang Theory star Johnny Galecki and Alaina Meyer split

The Big Bang Theory star Johhny Galecki and girlfriend Alaina Meyer split. According to People Magazine, Galecki and Meyer are parents to son Avery. They are committed to co-parenting their son. The actor and Meyer began dating in 2018. Galecki previously dated his The Big Bang Theory co-star Kaley Cuoco for two years. Galecki and Cuoco separated in 2010.