LOS ANGELES (AP) Kaley Cuoco is flying high after giving birth to her first child.

The star of The Flight Attendant and The Big Bang Theory said on Instagram Saturday that she and fellow actor Tom Pelphrey now have a daughter named Matilda Carmine Richie Pelphrey.

The new light of our lives! Cuoco posted, along with a series of pictures of the baby, who was born Thursday. We are overjoyed and grateful for this little miracle.