"She points to Mila and she's like, 'baby brother' when she points to the belly,” he said, referring to their daughter’s reaction to Kunis’ growing bump. “And then she points to dad and she goes, 'Beer,' and so I think she gets there's something in the belly, but I don't quite think that she knows that it's not going to be a plastic doll yet.”
“We haven’t told anyone. We’re having a boy!” Kutcher said on Late Night
. “I was hoping for a girl because first of all, our first girl is unbelievable. But also I figured if we had a girl second, [Mila] might give me one more shot at having a boy and now I don’t know. It’s even money, she might cut me off. I want, like, 12 of them.”
WATCH: Mila Kunis Flaunts Baby Bump Weeks Before Due Date -- See the Pic!
ET caught up with Kunis, 33, after it was revealed she was expecting again and she explained the differences with her pregnancy this time around.
"Now I'm like, 'Wait, how far along am I?'" she added. "You're busy running after the other one and working full time."
Kunis and Kutcher, who co-starred together on the sitcom That ‘70s Show, quietly tied the knot in July 2015.
For more on the Hollywood pair, watch below: