'How I Met Your Mother's' Alyson Hannigan Welcomes Baby Daughter

Alyson Hannigan is a mom again.

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'How I Met Your Mother' Star Alyson Hannigan Pregnant With Second Child

The How I Met Your Mother star and her actor husband, Alexis Denisof, welcomed a baby girl named Keeva Jane Denisof on May 23, her rep told People. Hannigan announced the news Tuesday via her Twitter account, where she posted an Instagram photo of the newborn's hand.

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"They are all doing well," her rep said.

The baby girl joins the couple's 3-year-old daughter, Satyana.

Hannigan and Denisof met while both were appearing in Buffy the Vampire Slayer and got married in 2003. They announced their most recent pregnancy in December.

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Hannigan recently reprised her American Pie role in the latest sequel, American Reunion. Her HIMYM character, Lily, gave birth in the CBS sitcom's seventh season finale last month.

Denisof also has guest starred on HIMYM and can be seen in the hit movie The Avengers as the Other.