Congratulations are in order for Ali Larter and her husband, Hayes MacArthur!

The actress, 38, and the comedian, 37, welcomed baby No. 2, a daughter named Vivienne Margaret MacArthur, on Jan. 15.

“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,” the proud mom announced on her website on Monday, Jan. 19.

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The couple’s latest addition joins older brother Theodore Hayes MacArthur, who was born in December 2010.

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“She came bearing gifts for her brother: Batman sheets and lots of Gummy Bears!!! 7.5 lbs of love,” Ali wrote.

ali larter family

Ali with her husband, Hayes, and son, Teddy.

The former ‘Heroes’ star and Hayes met while filming ‘National Lampoon’s Homo Erectus,’ and got engaged in December 2007. The pair tied the knot on Aug. 1, 2009 in an intimate outdoor ceremony at MacArthur’s parent’s estate in Kennebunk, Maine.