Michelle Trachtenberg, the actress who rose to fame as a child star with films like “Harriet the Spy” and went on to have memorable roles on TV shows including “Gossip Girl,” has died, according to an NYPD source.

The "Gossip Girl" and "Harriet the Spy" alum, who rose to fame as a child star, was found dead in New York City on Wednesday, according to police.

Police officers, responding to a 911 call, found her unresponsive in a Manhattan apartment on Wednesday morning, the authorities said.