Michelle Trachtenberg's credits include performances in 'Harriet The Spy,' 'Mysterious Skin' & 'Buffy The Vampire Slayer' ...
Michelle Trachtenberg's death Wednesday left her former co-stars like Rosie O'Donnell, Melissa Gilbert and Kenan Thompson ...
Michelle Trachtenberg's co-stars and fellow celebrities are speaking out after the "Gossip Girl" and "Harriet the Spy" star ...
Gossip Girl star Blake Lively has shared a poignant tribute to her late co-star Michelle Trachtenberg, who passed away ...