- At 14, was cast in her first movie, the short film Liminality starring Stephen Baldwin.
- Left home when she was 16 to study acting full-time in New York City.
- Beat out 500 hopefuls to land a role opposite Dakota Fanning and Kristen Stewart in the 2010 docudrama The Runaways.
- Was named after famed acting coach Stella Adler.
- 2013, Independent Spirit Awards — Robert Altman Award: Winner
- Birth Name: Stella Maeve Johnston
- Birth Place: New York, New York, United States
- Profession: Actor