Halcyon "Hallie" Juna was born on March 23, 2012 and weighed 6lbs., 9oz and measured 18" long.
Littleford was most recently seen in Crazy, Stupid, Love and was a former Daily Show correspondent.
This is the couple's second child, they are already parents to Jackson who is 6 and was responsible for the name Juna. Halcyon is Littleford's middle name and her grandmother's name.
Photo Source: WireImage