The role Matilda, three, stepped into when her sister Philomena was born to Tom Pelphrey and Kaley Cuoco on October 12, 2026. Pelphrey’s first family photo set shows Matilda already on duty, feeding her baby sister — the kind of image parents treasure precisely because it cannot be staged. Her promotion to big sister is the quiet heart of the family’s officially-complete announcement.
(Gage Skidmore from Peoria, AZ, United States of America / Wikimedia Commons (CC BY-SA 2.0))
Mentioned in: An Emmy Win, a Room Swap and a Baby Sister: Inside Tom Pelphrey and Kaley Cuoco’s Busy Autumn