Former E.R. beauty Julianna Margulies and her husband Keith Lieberthal have a brand new baby boy. The couple were married in November and this is their first child.

According to People.com, Julianna's mom has this message playing on her outgoing answering machine message: "A beautiful baby boy has been born to us. All is well. His name is Kieran Lindsay Lieberthal. Is that poetry? Do a little dance. Love this day! All is well. God bless! Can't wait to hear from you."

It's pretty obvious this grandma has gone ga-ga. Congrats!