The Cuoco-Pelphrey household has officially expanded.
Kaley Cuoco and her fiance Tom Pelphrey have announced the arrival of their second child, a daughter named Philomena Carmine Bobby Pelphrey.
Baby 'Philo' was born on October 12, 2026, her proud mother revealed in a post featuring adorable photos of their bundle of joy.
'Philomena Carmine Bobby Pelphrey,' Cuoco, 40, captioned the post. 'There are no words to describe this feeling once again. What a blessing. We are so grateful for the crazy wild up and down journey that brought us to our little Philo!
'Family officially complete (sobbing emoji) Time to bring Matilda’s baby home! @tommypelphrey life exploded the minute we met, and the gifts keep coming. I love you forever, girl daddy!'
Pelphrey, 44, also announced the arrival of their 'youngest queen' with his Instagram followers.
Kaley Cuoco and Tom Pelphrey have welcomed their second child together; Source: Kaley Cuoco Instagram
'Philomena Carmine Bobby Pelphrey,' the proud father posted. 'Another miracle. Welcome to our family youngest queen!
'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.
'Thank God for the gift of this family and these girls.'
Philomena marks the couple's second daughter - the parents also have three-year-old Matilda together.
Earlier this summer, Cuoco enlisted her fiancé and their toddler to help with her pregnancy announcement.
The trio posed for a family portrait with a gender reveal cake.
The entertainer shared photos alongside baby bump mirror selfies on Instagram, revealing that Matilda will soon be joined by a little sister.
She wrote in the caption: 'Completing our little family, what a dream come true!
The couple have welcomed a daughter named Philomena Carmine Bobby Pelphrey; Source: Kaley Cuoco Instagram
'Family officially complete,' Cuoco declared; Source: Kaley Cuoco Instagram
Photos showed the newborn baby slumbering and swaddled in a blanket; Source: Kaley Cuoco Instagram
'This second time around journey has been a little windier in many ways, but wow we are so grateful for this moment!!'
She continued: 'Little sissy on the way!!! @tommypelphrey girl dad for life and yes, the last pic is our dainty princess giving us the middle finger!'
The expecting parents have been in a relationship for four years and met in April 2022 after their mutual talent manager played matchmaker.
Pelphrey proposed to Cuoco, and they announced their engagement in August 2024.
'life exploded the minute we met, and the gifts keep coming,' Cuoco gushed in her announcement; Source: Kaley Cuoco Instagram
The proud father flashed a gentle smile as he held his newborn daughter; Source: Kaley Cuoco Instagram
Baby 'Philo' arrived into the world on October 12, 2026; Source: Kaley Cuoco Instagram
The newborn nestled against her mother; Source: Kaley Cuoco Instagram
Philomena marks the couple's second daughter - the parents also have three-year-old Matilda together; Source: Kaley Cuoco Instagram
The child was born on October 12, 2026
In November 2024, Cuoco spoke to E! News about being the best parent she can be.
At the 2026 Emmys, Pelphrey called his family with Cuoco 'the crown jewel of my life' as he delivered his acceptance speech.
Cuoco could be seen wiping her tears away as the camera captured her sobbing during her fiancé's speech.
Pelphrey said: 'Wow. This is incredible. Thank you. I thank god for my life and my sobriety.
'I thank my family and my friends for all your love and support all these years from Emmys to, you know, black box theaters and everything in between.
'And to my favorite actor in this room, my love, my best friend, my partner, the very pregnant Kaley - I love you more than anything, and our family is the crown jewel of my life.
'Matilda, daddy loves you. Baby girl, daddy loves you. Thank you. God bless.'