Charlie Day, Mary Elizabeth Ellis Welcome Son Russell Wallace

The Always Sunny stars welcomed son Russell Wallace Day on Thursday, Dec. 15 in Los Angeles, they confirm to PEOPLE exclusively.

Source: http://feeds.celebritybabies.com/~r/celebrity-babies/~3/ygZX1PTv1fQ/

Amanda Swisten Amber Arbucci Amber Brkich Amber Heard Amber Valletta