David Hornsby and Emily Deschanel
03/31/2011 at 03:00 PM EDT
baby is on the way.
Emily Deschanel and husband David Hornsby
are expecting their first child, her rep confirms to PEOPLE exclusively.
The actress, 34, and Hornsby, a writer-actor best known for his role as Rickety Cricket on It's Always Sunny in Philadelphia
, met through friends and began dating in 2007. They were married in an intimate ceremony
in L.A. last September.
Deschanel is due later this year.