Look out boys, the hormones are gonna be raging on the set of CBS’s hit show How I Met Your Mother. Not only is star Allison Hannigan pregnant, so is her TV BFF Cobie Smulders.

Smulders, 26, who plays Robin Scherbatsky on the CBS hit, is due in late spring, Smulders’s rep confirms exclusively to PEOPLE.

How I Met Your Mothers Cobie Smulders Pregnant