Every time I even heard someone say ‘Michelle Trachtenberg,’ a kid would jump in to say that they’d heard she was mean, full of herself, a total b—h.”

Wilson “started to sob” when she found out the 39-year-old “Buffy the Vampire Slayer” alum was found dead in her New York City apartment last month.

Mara Wilson is sharing her memories of late pal Michelle Trachtenberg weeks after her passing. In a new essay published on Tuesday, March 18, the Matilda star, 37, discussed how the Gossip Girl alum — who died at age 39 — was bullied in middle school.