That was over 22 years ago in 1999.
Today she is 47, and has starred in 18 movies in total, 10 since American Pie was released.
In American Pie, I think Alyson Hannigan looks:
American Pie scores 6.4 out of 10 on The Movie Database.
Alyson Hannigan's first acting role was as 'Patty Stubbs (as Allison Hannigan)' in Impure Thoughts, released in 1986 when she was 12.