Sarah Michelle Gellar has reunited with her former Buffy the Vampire Slayer co-star, Alyson Hannigan, to spotlight an important cause! E! News reported that Gellar andHannigan appeared together on the ...

Alyson Hannigan occupies an interesting place in pop culture. She's been part of several well-known franchises, from nerdy high schooler Willow in "Buffy the Vampire Slayer" to the deeply emotional ...

Get the latest news about Alyson Hannigan. Find exclusive interviews, video clips, photos and more on Entertainment Tonight.

Despite how Lily Aldrin and Marshall Eriksen made for a cute couple on How I Met Your Mother, Alyson Hannigan disliked kissing her on-screen hubby. Here's why.