Mila Kunis has a public service announcement for future dads! Ashton Kutcher's pregnant fiancee appeared on Jimmy Kimmel Live! Tuesday, June 10, where she and Kimmel briefly touched on anticipating the arrival of their future kids—or something like it.

"My wife and I are pregnant," Kimmel, 46, whose wife Molly McNearney is expecting the couple's first child. "We are having a baby very soon, as well."

"Oh, you're both having a baby?" the Third Person star asked sarcastically. "You and your wife are pregnant?"

Kunis, 30, looking pretty in the same black dress she wore to the movie's premiere Monday night, abruptly rose out of her seat and grabbed a microphone. "Hi," she said. "I'm Mila Kunis, with a very special message for all you soon-to-be fathers."

"Stop saying 'we're pregnant,'" she joked. "You're not pregnant! Do you have to squeeze a watermelon-sized person out of your lady-hole? No." Kunis continued, eventually rattling off a list of pregnancy woes.

"You're not pregnant," she added, as a group of pregnant moms slowly filtered onstage—each holding a tub of ice cream. "We are."

Watch the rest of her passionate plea here! See Mila and Ashton go from costars to star couple here.