Credit: Jon Kopaloff/FilmMagic

Owen Wilson's about to report for daddy duty.

A rep for the actor confirms to that "Owen Wilson and Jade Duell are happy to be expecting a baby." A source adds that she is "due any day."

Duell is currently in Hawaii, where she plans to give birth.

First-time dad Wilson, 42, is "very excited and involved with the pregnancy," the insider tells Us, adding that the couple "want to do everything as natural as possible."

The Little Fockers star, whose past loves have included Kate Hudson and Sheryl Crow, "has been been doing research and learning as much as he can. He's super into it and asks a lot of questions to make sure he knows what's going on every step of the way."