Kristen Bell, Dax Shepard welcome baby girl

Los Angeles: Hollywood couple Kristen Bell and Dax Shepard have welcomed a baby girl, their second daughter together.

Bell, 34, who has been together with her husband from last seven years, took to Twitter to inform about the arrival of new member in the family, reported E!Online.

"The estrogen has now hit critical mass! Good luck, @daxshepard1. And welcome to the world DELTA BELL SHEPARD," she wrote alongside a photo of a monkey's hand holding the wee fingers of a baby monkey.

The couple kept the gender of their baby a secret throughout the pregnancy, but Shepard has hinted that more kids could be in their future.