Ali Larter welcomes a daughter

Ali Larter and Hayes MacArthur celebrate the release of her new cookbook "Kitchen Revelry" with Perrier-Jouet at Sunset Tower on Aug. 27, 2013, in West Hollywood, California.

John Sciulli/Getty Images

Ali Larter is now a mother of two.

The actress and husband, Hayes MacArthur, welcomed a baby girl last week, she revealed on her website. The announcement also came with a photo of their new little one:

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Hayes MacArthur/AliLarter.com

"It's a girl! We couldn't be more excited to share news of the arrival of Vivienne Margaret MacArthur on Thursday January 15th 2015," Larter wrote. "She came bearing gifts for her brother: Batman sheets and lots of Gummy Bears!!! 7.5 lbs of love."

Baby Vivienne joins the couple's 4-year-old son, Theodore Hayes.

Larter, 34, is best known for roles on TV's "Heroes" and "Legends," as well as films like "Final Destination" and "Varsity Blues."