Break out the blue onesies! Ashton Kutcher, 38, let it slip on Today October 6 that he and wife Mila Kunis, 33, are expecting a son. The couple’s 2-year-old daughter, Wyatt, “points to Mila and says, ‘Baby brother,’ when she points to the belly,” the actor told Savannah Guthrie. “And she points to Dad and she goes, ‘Beer.’ ” The night before, Kutcher talked fatherhood with Jimmy Fallon on The Tonight Show, admitting that he feels unprepared for No. 2: “The first one, I became almost like a doula. I was reading every book. I had, like, a catcher’s mitt on. This one, I haven’t done anything!” FULL HOUSE Wyatt has indeed kept her parents occupied, explains a Kunis pal. “They are so busy with their daughter, they haven’t…
