The expecting parents had a cute enough plan to break the news -- they bought Kathryn a book called “Hello in There: A Big Sisters Book of Waiting” -- but seeing as she’s three, she didn’t pick up on it right away:
Kathryn at least appears to be seriously contemplating the news. And then:
Cue a minute’s worth of laughing from the dad (classic dad) and from us too.
Equally cute: Here are the sweetest celebrity baby announcements of the year!