Born at 1:24 p.m., Jett weighed in at 6 lbs., 6 oz.
"Lisa and Jett are resting comfortably. The proud parents are enjoying the first day of parenthood and are looking forward to bringing their daughter home," a statement reads.
Ling, 39, and Song, an oncologist, were married in 2007. After experiencing a miscarriage in 2010, the couple announced in October that a baby girl was on the way.