Fans are devastated after Michelle Trachtenberg, known for her roles in “Harriet the Spy,” “Buffy the Vampire Slayer” and “Gossip Girl,” was found unresponsive by her mother Wednesday in a New York City apartment. The cause of death is still being determined. Reporting for TODAY, NBC’s Chloe Melas looks back at her life and career. » Subscribe to TODAY: youtube.com/@TODAY About: TODAY brings you the latest headlines and expert tips on money, health and parenting. We wake up every morning to give you and your family all you need to start your day. If it matters to you, it matters to us. We are in the people business. Subscribe to our channel for exclusive TODAY archival footage & our original web series. Connect with TODAY Online! Visit TODAY's Website: today.com Find TODAY on Facebook: facebook.com/today Follow TODAY on Twitter: twitter.com/TODAYshow Follow TODAY on Instagram: instagram.com/todayshow » Stream TODAY All Day: ...