Michelle Trachtenberg decided to "pull back from Hollywood" after her career as a child and teen star, a source exclusively tells PEOPLE, adding that leading up to Trachtenberg's unexpected death, she was more of a "recluse" but "always kind,

When Elizabeth Taylor died, in 2011, Mindy Kaling memorialized her by writing, “The coolest thing about Elizabeth Taylor is that she lived life PRECISELY as I would’ve if I’d been born so f’ing gorgeous.

The cause and manner of Michelle Trachtenberg's death will remain undetermined, according to the New York City Office of the Chief Medical Examiner.