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.

It's Now a Fan Event (Exclusive) Alyson Hannigan's Daughter Keeva Looks Just Like Mom in Rare Snaps Alongside Jenn Tran and Sasha Farber: 'Favorite People' Alyson Hannigan Has a Clever Idea for a ...

Celebrities - they're just like us! Alyson Hannigan stayed up to listen to Taylor Swift's newest album, The Tortured Poets ...

Alyson Hannigan recalled having a total Swiftie moment after Taylor Swift shouted out the 1999 comedy film “American Pie” in one of her songs. Hannigan, who starred as Michelle Flaherty in the ...