'Baby Mama' star Poehler is really having a baby

Amy Poehler is a real-life "Baby Mama."

Poehler, who co-stars with Tina Fey in the hit pregnancy comedy, is expecting her first child with husband Will Arnett, the couple's publicist said Monday, declining further details.

Poehler, 36, is a cast member on NBC's "Saturday Night Live." She co-starred with Arnett in the 2007 comedy "Blades of Glory."

Arnett, 38, starred in TV's "Arrested Development." He has a recurring role as a rival of Alec Baldwin's character on NBC's "30 Rock."