Kaley Cuoco and her fiancé, actor Tom Pelphrey, have welcomed their second child, a daughter named Philomena Carmine Bobby Pelphrey, USA Today and TODAY reported. She was born Oct. 12.

Cuoco shared the news in an Instagram post on Wednesday, Oct. 14, USA Today reported. "There are no words to describe this feeling once again. What a blessing," she wrote. She said the couple was grateful for the "crazy wild up and down journey that brought us to our little Philo!"

"Family officially complete," Cuoco added, TODAY reported. She also joked that it was time to "bring Matilda's baby home!"

The couple's first daughter, Matilda, is 3, USA Today reported. Cuoco shared a photo of Matilda in a "big sister" shirt, TODAY reported.

Carmine is the middle name of Cuoco's father, Gary Carmine Cuoco, TODAY reported. It is also part of Matilda's full name, Matilda Carmine Richie Pelphrey.

Pelphrey posted his own slideshow on Instagram and called his newborn "another miracle," TODAY reported. "Kaley you showed up in every way as a partner and a mom even when you weren't feeling your best - you're a CHAMPION. The girls and I would be lost without you," he wrote.

Cuoco, 40, is known for "The Big Bang Theory" and "The Flight Attendant," USA Today reported. She announced in June that the couple was expecting their second child, TODAY reported.

Pelphrey and Cuoco went public with their relationship in May 2022 and got engaged in August 2024, USA Today reported. When Pelphrey won his first Emmy on Sept. 14, he thanked "the very pregnant Kaley Cuoco" from the stage, USA Today reported. "Baby girl in that belly, daddy loves you," he said.

What we know: Cuoco and Pelphrey's second daughter, Philomena, was born Oct. 12.
What we don't: Whether the couple has set a wedding date.