Alyson Lee Hannigan (born March 24, 1974) is an American actress and television presenter. She is best known for her roles as Willow Rosenberg in the television series Buffy the Vampire Slayer ...

Stephanie Wenger is a TV Writer/Reporter at PEOPLE ... Eric McCandless/Disney via Getty Images Alyson Hannigan is revealing her thoughts after making it into the Dancing with the Stars finale.

Alyson Hannigan ... and Eddie Kay Thomas Hannigan previously opened up to Entertainment Weekly back in 2011 about it was like to reunite with the cast for the 2012 movie American Reunion.

Alyson Hannigan hopes to keep her daughters from watching American Pie 'until they’re in college' Alyson Hannigan reacts to Taylor Swift's American Pie shout-out in 'So High School': 'I was ...

Alyson Lee Hannigan (born March 24, 1974) is an American actress and television presenter. She is best known for her roles as Willow Rosenberg in the television series Buffy the Vampire Slayer ...

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.