Alyson Hannigan and Alexis Denisof

Less than a month after her character gave birth to a baby boy on How I Met Your Mother, Alyson Hannigan welcomed a baby girl of her own, US Weekly reports.

How I Met Your Mother's Alyson Hannigan expecting second child

Hannigan, 38, gave birth to daughter Keeva Jane Denisof on May 23. "They are doing well," her rep told the magazine.

This is the second child for the Buffy alum and husband Alexis Denisof, 46. They also have a 3-year-old daughter named Satyana. The couple wed in 2003.