Sarah Michelle Gellar, Taylor Momsen and Blake Lively are among those paying tribute to Michelle Trachtenberg, who died Wednesday. Trachtenberg was found in her New York apartment “unconscious and unresponsive,

Tributes continue to pour in for Michelle Trachtenberg, who died in her apartment in New York. Her mother reportedly last saw her alive at her luxury apartment building at 10 p.m. on Tuesday. When her mother returned the next morning,