Big Bang Theory star Kaley Cuoco expecting baby girl with Tom Pelphrey

By Laura Harding, Press Association Entertainment Editor

Big Bang Theory star Kaley Cuoco has revealed she is pregnant with her second child with fiance Tom Pelphrey.

The sitcom star, 40, and the Ozark actor, 43, are already parents to daughter Matilda, three.

Cuoco shared the news she is expecting a baby girl on Instagram, writing: “Completing our little family, what a dream come true!

“This second time around journey has been a little windier in many ways, but wow we are so grateful for this moment!!

“Little sissy on the way!!! @tommypelphrey girl dad for life and yes, the last pic is our dainty princess giving us the middle finger!”

Cuoco also posted a carousel of photographs, including the couple and their daughter with a gender reveal cake, showing pink sponge inside.

Other snaps show Cuoco baring her baby bump, while a video clip shows Pelphrey watching a 3D ultrasound.

Cuoco announced her engagement to Pelphrey in August 2024, when she shared a selfie of the pair with her hand raised to show off her new ring.

She wrote on the Instagram story: “Amazing weekend.”

US actress Cuoco is best known for her role as Penny in the smash hit sitcom The Big Bang Theory, which ran from 2007 to 2019.

Before that she starred as Bridget Hennessy in the sitcom 8 Simple Rules.

Most recently she has ventured into drama, starring in the thriller The Flight Attendant and the true crime series Based On A True Story.