Cobie Smulders and Taran Killam
Roger Karnbad/Celebrity Photo
11/26/2008 AT 11:00 AM EST
How I Met Your Mother
star Cobie Smulders and actor Taran Killam are expecting their first child.
Smulders, 26, who plays Robin Scherbatsky on the CBS hit, is due in late spring, Smulders's rep confirms exclusively to PEOPLE.
The couple met through a mutual friend, and have worked together on HIMYM
– Monica RizzoRELATED GALLERY:
From Brad & Angie to J.Lo and Nicole, Hollywood has baby fever!