updated 07/21/2010 AT 3:45 PM ET
•originally published 07/21/2010 AT 1:45 PM ET
Christina Applegate could soon be married with a child.
The actress and her fiancé Martyn Lenoble are expecting, her rep confirms to PEOPLE exclusively.
Applegate, 38, and Lenoble, 41, dated for two years before becoming engaged on Valentine’s Day. No date has been set for the wedding.