Chris and Lauren Tomlin welcomed their third daughter, Elle Grace Tomlin, on Monday, Dec. 14, in Nashville, they reveal exclusively to PEOPLE. Tomlin — who is also father to Ashlyn, 9, and Madison, 6 — previously opened up to PEOPLE about the unexpected pregnancy, calling the new addition the “surprise of all surprises.” Tomlin was even inspired by the pregnancy news to make a new Christmas song, telling PEOPLE about “Miracle of Love” back in October.