Alyson Hannigan of the hit TV series “How I Met your Mother” met her baby earlier than expected. The actress gave birth to her first child, a baby girl, on her birthday March 24th. Alyson managed to keep a low profile and delivered her baby girl under the radar of paparazzi. A week after their now shared birthday Alyson’s rep says that little Satyana and her mom are doing great. This is the first baby for Alyson Hannigan and her husband Alexis Denisof.