Michelle Trachtenberg, star of ‘Buffy the Vampire Slayer,’ ‘Gossip Girl’ and ‘Harriet the Spy,’ dies at at 39

Michelle Trachtenberg, a former child star who appeared in the 1996 “Harriet the Spy” hit movie and went on to co-star in two buzzy TV shows at the dawn of the millennium — “Buffy the Vampire Slayer” and “Gossip Girl” — has died. She was 39.