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 ...

Eric McCandless/Disney via Getty Alyson Hannigan had much more to overcome than nerves before Tuesday's episode of Dancing with the Stars. The How I Met Your Mother actress, 43, revealed to PEOPLE ...