News Kellie Martin Gives Birth to Second Daughter -- See the Adorable First Photo! By Zach Seemayer 6:10 PM PST, February 18, 2016 Getty Images Kellie Martin's new bundle of joy has arrived. The actress and her husband, Keith Christian, welcomed their second child on Thursday. MORE: The 16 Most Original Celebrity Baby Names of 2015The couple announced the news with a super cute Instagram pic of their baby girl lying next to their 9-year-old daughter, Margaret Heather. "She's finally here!" Martin captioned the heartwarming snapshot.View this post on InstagramA post shared by Kellie Martin (@thekelliemartin)PHOTOS: Stars Share Pics of Their Cute KidsThe baby girl, Olivia James Christian, was born weighing 7 lbs., 15 oz. and was 20 inches long, People reports. The 40-year-old former ER star announced she was expecting back in September, when she was already five months pregnant, during an appearance on Hallmark Channel's Home & Family.Congrats to the happy couple on the adorable addition to their family!WATCH: Celebrity Babies Due in 20167 Celebrity Babies To Expect in 2016! This video is unavailable because we were unable to load a message from our sponsors. If you are using ad-blocking software, please disable it and reload the page.