NEW YORK —  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, Lewis Kay, said Monday.

Kay declined to give further details.

The couple were married in 2003. The baby is due sometime this fall.

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."

Arnett has several feature films in the works, including "When in Rome" opposite Kristen Bell.