On April 6, Cuoco, 38, shared two cute Instagram Stories posts featuring Matilda — who celebrated her 1st birthday on March 30 — and joked that the little one was displaying behavior that "definitely" meant she was the product of her famous mom and dad.

In the first post, Matilda stood in front of a mirror, grasping each side of it as she grinned at her reflection. "She found the mirror," the actress wrote across the post, which had an extra dash of cuteness thanks to the yellow and purple floral playsuit Matilda wore.

Next up, Cuoco shared a slightly zoomed-out snap of the little girl in the same pose, this time turning back to look at her mom.