Michelle Trachtenberg, the iconic ’90s Nickelodeon star of the TV series “The Adventures of Pete & Pete” and the movie “Harriet the Spy,” has died at age 39 according to multiple reports.
Page Six first reported the news that Trachtenberg, who also appeared in the series “Buffy the Vampire Slayer” and The CW’s original “Gossip Girl,” was found dead in Los Angeles. Her death is not being investigated as suspicious, according to the outlet, but no cause of death has yet…