Alyson Hannigan Says She's 'Deeply Saddened' by Michelle Trachtenberg's Death

Alyson Hannigan, Kenan Thompson, More Stars Honor Michelle Trachtenberg

Alyson Hannigan's Daughter Keeva Looks Just Like Mom in Rare Snaps Alongside Jenn Tran and Sasha Farber: 'Favorite People'

Alyson Hannigan and Husband's Halloween Costumes Pay Homage to Taylor Swift