Alyson Hannigan gave birth to a baby girl, the actress announced Tuesday.
A representative for the actress said the baby was born on May 23 and named Keeva Jane Denisof.
"They are all doing well," the rep said.
Hannigan later tweeted a photo of her daughter's hand.
The American actress who starred in the sequel of American Pie "American Reunion" and her husband also have a 3-year-old daughter named Satyana.
The couple met on the set of the TV show "Buffy the Vampire Slayer," and got married in 2003.