Sarah Michelle Gellar and Alyson Hannigan chatted with ET on set of the 'Buffy the Vampire Slayer' episode, 'The Prom,’ in 1999. The 'How I Met Your Mother' star is proud of her success.

Sometimes a botched job interview can feel like the end of the world – but, as Alyson Hannigan reveals, it might not be as disastrous as it first seems. Alyson Hannigan is a “terrible ...

Alyson Hannigan says Michelle Trachtenberg "brought a loving energy" to 'Buffy The Vampire Slayer'. The 50-year-old actress - who played Willow Rosenberg on the iconic teen drama - has paid ...