Alyson Hannigan Halloween 2024. Alyson hannigan and husband alexis denisof are proving they’re total swifties with their halloween costumes. Explore the biography, filmography, news, photos, and more about alyson hannigan.

Alyson hannigan hannigan, a devoted swiftie, teamed up with her husband to embody a line from taylor swift ’s “so high school.” the pair went as “you know how to ball, i. Here are 35 additional halloween costumes from your favorite celebs: