The sopranos star Jamie-Lynn Sigler was surprised to learn she was pregnant so soon into her romance with Cutter Dykstra, because the couple planned to take the relationship slowly. Just a month later (Feb13), Sigler revealed she is expecting their first child, and she has now confessed the baby news was a shock.Sigler is due to give birth to a son in August (13), and she is thrilled that several of her famous friends - including Beverley Mitchell, Joanna Garcia Swisher and Jenna Dewan-Tatum - will also become new mothers this year (13).She adds, "It's really cool to be able to go through this with all of them and I'm due last so... I can see what to do and what not to do."Mitchell is the first of the group to become a mother - she welcomed daughter Kenzie on Thursday (28Mar13), while Swisher is set to give birth in May (13), followed by Dewan-Tatum the following month (Jun13).