The 31-year-old and Kimmel are already parents to daughter Louisanna Ray, 4, whom they adoringly call "Lewi."

They welcomed little Lewi in December 2009. Eight months later, the first-time parents tied the knot in an intimate wedding ceremony in Italy.

"When I was pregnant, I kept praying, 'Please give me a lovable and loving, mysterious daughter that I can be fascinated by,'" she told People in a 2010 interview. "If she laughs, I laugh," the Eyes Wide Shut actress said. "If I heard myself talking a year ago, I'd be like, 'So boring!' But that's what happens. My baby is really fascinating to me."

Congratulations to the growing brood!

Us Weekly was first to report the story.