Alyson Hannigan and her husband Alexis Denisof are expecting their first child together.

The couple - who met while starring in 'Buffy the Vampire Slayer' from 1999 to 2000, where Alyson played Buffy's friend Willow Rosenberg and Alexis starred as Wesley Wyndam-Price - will welcome their first baby into the world this spring, Alyson's representative Megan Moss has confirmed.