News update! Amy Poehler is becoming a "Baby Mama" -- on and off the big screen! The "Saturday Night Live" star is expecting her first child with husband Will Arnett, their rep Lewis Kay tells People magazine.

Amy, 36, has been married to Arnett, 37, since 2003, and the couple is expecting their baby in the late fall.

Poehler's new flick, "Baby Mama," ruled the box office this past weekend, co-starring fellow "SNL" star Tina Fey. Arnett is currently filming the comedy "When in Rome" with starlet Kristen Bell.

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