"Lily Allen and Sam Cooper are very happy to confirm that Lily is expecting their first child," Allen's representative said in a statement to People.com. "Lily's professional commitments will carry on as normal."
The baby's gender and due date were not reported.
The couple has been dating for about a year.
Cooper is the owner of an upscale building company, People.com said.
Celebrity Breakups and divorces of 2014 [PHOTOS]