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,†according to an NYPD statement. She was 39.

“Michelle, listen to me. Listen. I love you. I will always love you. The hardest thing in this world, is to live in it. I will be brave. I will live… for you.†— â€Buffy the Vampire Slayer" star

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