By Rita Kokshanian
Dec 20, 2014 @ 2:03 pm
Xavier Collin/Celebrity Monitor/Splash News

Congratulations are in order for Kristen Bell and Dax Shepard! The pair has welcomed their second child, a daughter named Delta.

"Delta Bell Shepard is here," Shepard tweeted late Friday night. "She doesn't look like either @IMKristenBell or me, but we're gonna keep her anyway. ." Shortly after, mom Bell also announced the news on Twitter. "The estrogen has now hit critical mass! Good luck, ," she wrote. "And welcome to the world DELTA BELL SHEPARD :)."

PHOTOS: Kristen Bell's Most Stylish Looks Ever

Bell and Shepard announced in June that they were expecting baby number two. The adorable duo, who has been married since 2013, are already parents to one and a half-year-old daughter Lincoln Bell Shepard. Throughout her pregnancy, Bell has wowed us with her effortlessly stylish maternity ensembles, including an airy white Elizabeth and James dress and a figure-hugging floral print Wayf dress. Congratulations to the expanding family!

PHOTOS: Chic Celebrity Maternity Style