Kaley Cuoco pregnant, expecting baby No. 2 with Tom Pelphrey

Kaley Cuoco is expecting her second child with Tom Pelphrey. 

The “Big Bang Theory” star’s fiancé took to Instagram Wednesday to share the happy news – and divulge the baby’s sex – with a joyful announcement. 

“Deep gratitude and joy- so much respect and admiration for @kaleycuoco on this journey of ups and downs. 🙌🙌🙌” Pelphrey captioned a pic with Cuoco and their daughter Matilda, 3, holding a colorful cake with a pink center. 

He added, “(Doc gave her a little prod for the pic and this was her immediate response…. definitely my child 🤣)” 

In the Instagram carousel, Pelphrey, 43, shared a sonogram image of their impending arrival.

He also shared a sweet pic of Cuoco holding and snuggling Matilda during a movie, and a snapshot of the sprinkle-covered cake, which read “It’s a…”

A large bite had been taken from the cake, revealing a bright pink center.

Cuoco, meanwhile, took to her own account to share Pelphrey’s joy. “💖 completing our little family , what a dream come true ! 💖 ” she captioned a cake photo with Matilda and her fiancé — along with several mirror selfies of her growing baby belly.

“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!🤦🏼‍♀️😆”

In one snapshot, Cuoco, 40, showed off a humorous tank top reading, “I cried today.” Followers took to the comments thread to congratulate the actress and her family on the happy news.

“Yessss! I have it on good authority that all girls is the BEST! Congrats!!” one person gushed, while another remarked, “So happy and excited for you. Best thing you can do for your child. Siblings so important ❤️”

“OMG Congratulations! Mathilda will be such a cute big sister 🥹🫶🥳” a third person chimed in.

This is a developing story and will be updated…