The Heroes actress her husband Hayes MacArthur, 37, welcomed their second child on Thursday.
The couple shared the first picture on their baby girl on their website, revealing they named their daughter Vivienne Margaret MacArthur.
Vivienne is also the named of Angelina Jolie’s daughter and The View co-host, Rosie O’Donnel’s daughter.
The 38-year-old actress announced her happy news, writing, “We couldn’t be more excited to share news of the arrival of Vivienne Margaret MacArthur on Thursday January 15th 2015. She came bearing gifts for her brother: Batman sheets and lots of Gummy Bears!!! 7.5 lbs of love.”
The couple are already parents to a son, Theodore Hayes, four.
Ali had refused to reveal the sex of her baby during her pregnancy. But she shared pictures of her celebrating at her baby shower with girlfriends last November.
She captioned a group shot, “Feeling so blessed to have this incredible community of ladies in my life. #grateful.”
The best-selling cookbook author and Heroes star recently spoke about trying to balance motherhood and her career.
Larter stated, “Being a mom, a daughter, a best friend, and a wife… all those things make life worthwhile. Balance is such a joke. I have no idea how to balance anything. I just do the best I can each day.”
Ali is taking a break from work before she starts production on two upcoming movies, The Diabolical and The Lost Girl, both projected for releases later this year.
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