Alyson Hannigan at an event for The 38th Annual People's Choice Awards (2012)

Corinne Bohrer, Alyson Hannigan, Franc Luz, Edan Gross, and Paul Scherrer in Free Spirit (1989)

Neil Patrick Harris, Alyson Hannigan, Jason Segel, Josh Radnor, and Cobie Smulders in How I Met Your Mother (2005)

Shannon Elizabeth, Mena Suvari, Jason Biggs, Alyson Hannigan, Chris Klein, Thomas Ian Nicholas, Tara Reid, Seann William Scott, and Eddie Kaye Thomas in American Pie (1999)

Shannon Elizabeth, Mena Suvari, Jason Biggs, Alyson Hannigan, Chris Klein, Natasha Lyonne, Tara Reid, Seann William Scott, and Eddie Kaye Thomas in American Pie 2 (2001)

Alyson Hannigan, Sophie Monk, Adam Campbell, and Valery M. Ortiz in Date Movie (2006)

Shannon Elizabeth, Mena Suvari, Jason Biggs, Alyson Hannigan, Chris Klein, Natasha Lyonne, Thomas Ian Nicholas, Tara Reid, Seann William Scott, and Eddie Kaye Thomas in American Pie (1999)

Mena Suvari, Alyson Hannigan, and Tara Reid in American Pie (1999)

Dan Aykroyd, Kim Basinger, and Alyson Hannigan in My Stepmother Is an Alien (1988)

Alyson Hannigan and Jason Segel in How I Met Your Mother (2005)

Alyson Hannigan and Amber Benson in Buffy the Vampire Slayer (1997)

Alyson Hannigan and Matilda Lawler in Flora & Ulysses (2021)

Corinne Bohrer and Alyson Hannigan in Free Spirit (1989)

Corinne Bohrer, Alyson Hannigan, Edan Gross, and Paul Scherrer in Free Spirit (1989)

Alyson Hannigan, Edan Gross, and Paul Scherrer in Free Spirit (1989)

Alyson Hannigan, Michael Constantine, Edan Gross, and Paul Scherrer in Free Spirit (1989)

Corinne Bohrer, Alyson Hannigan, and Edan Gross in Free Spirit (1989)

Alyson Hannigan and Paul Scherrer in Free Spirit (1989)

Shannon Elizabeth, Jason Biggs, Alyson Hannigan, Chris Klein, Thomas Ian Nicholas, Tara Reid, Seann William Scott, and Eddie Kaye Thomas in American Pie (1999)

Shannon Elizabeth, Mena Suvari, Jason Biggs, Alyson Hannigan, Chris Klein, Natasha Lyonne, Thomas Ian Nicholas, Tara Reid, Seann William Scott, and Eddie Kaye Thomas in American Pie 2 (2001)

Jason Biggs, Alyson Hannigan, Thomas Ian Nicholas, Seann William Scott, Eugene Levy, and Eddie Kaye Thomas in American Wedding (2003)

Sarah Michelle Gellar, Alyson Hannigan, and Nicholas Brendon in Buffy the Vampire Slayer (1997)

Sarah Michelle Gellar and Alyson Hannigan in Buffy the Vampire Slayer (1997)

Gwyneth Paltrow, Alyson Hannigan, Jack Black, Eddie Griffin, Sophie Monk, and Adam Campbell in Shallow Hal (2001)