At the age of three, Petsch started dancing; being five she went to the theatrical studio, after that she entered an art school. Graduated from the school the girl moved to Los-Angeles and started her acting career. She worked part-time as a barista to ensure her life in the big city.
I was the strangest kid in town, other children often laughed at me. My brother defended me throwing stones at my offenders
Petsch took part in PETA (People for the Ethical Treatment of Animals) informational campaign in 2017.
I felt much healthier. There was no any atony due to lack of milk or eggs in the diet.