• Is left handed.
• Taught herself to read at age 4.
• Was named after Gone with the Wind character Scarlett O'Hara.
• Celebrity boyfriends include Josh Hartnett, Jared Leto, Patrick Wilson and Steel Train frontman Jack Antonoff.
• Has her navel, nose, septum, eyebrow, tragus and ears pierced.
• Says that Disneyland is her favorite place.
• Was involved in a car accident just outside Disneyland when her Mercedes hit another car as she was trying to escape chasing paparazzi. Scarlett speaks out actively againts the paparazzi's dangerous actions.
• Confessed she is a workaholic, because she believes the exhaustion she endures brings out the best in her.