Fans and friends alike are mourning the loss of Michelle Trachtenberg, who died this week at age 39. Sarah Michelle Gellar ...

Nicholas Brendon, Alyson Hannigan, Charisma Carpenter, and others also paid tribute to their former costar after her tragic ...

Buffy the Vampire Slayer stars including Alyson Hannigan, David Boreanaz and more break silence over 'horrible' death of ...

Blake Lively and Alyson Hannigan are among the former "Gossip Girl" and "Buffy" actors mourning the death of their one-time ...

Members of the 'Buffy The Vampire Slayer' cast have paid tribute to "little sister" Michelle Trachtenberg after her death ...

Rosie O'Donnell, Ed Westwick, SAG-AFTRA and others react to the 39-year-old's passing The post Michelle Trachtenberg’s Former ...

Michelle Trachtenberg's co-stars and fellow celebrities are speaking out after the "Gossip Girl" and "Harriet the Spy" star ...

Michelle Trachtenberg is being remembered for the positive energy she brought to set by many of the stars she worked with ...

Nicholas Brendon and Alyson Hannigan has shared emotional tributes to their late Buffy the Vampire Slayer co-star Michelle ...