Cast members from Buffy the Vampire Slayer, Gossip Girl and more paid tribute to the actress.

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

David Boreanaz and Ed Westwick are among Michelle Trachtenberg's famous castmates who have spoken out following her tragic ...

Michelle Trachtenberg's Buffy the Vampire Slayer costars are pouring their hearts out in the wake of her tragic death ...

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

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

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

Alyson Hannigan says Michelle Trachtenberg "brought a loving energy" to 'Buffy The Vampire Slayer'. The 50-year-old actress - ...

Kim Cattrall, Blake Lively, and numerous more celebrities are posting tributes for Michelle Trachtenberg after news broke ...

News of Michelle Trachtenberg's death prompted tributes from her friends and former "Buffy," "Harriet the Spy," and "Gossip ...

Actor Michelle Trachtenberg, known for her starring roles in Buffy the Vampire Slayer and Gossip Girl has died at the age of ...