Montanna was born and raised in California. With a father in the music industry and a childhood consumed with performing arts, she moved to Los Angeles at the age of 18 after graduating from Las Lomas High School in Walnut Creek to act. Montanna has been involved in various projects and films, from independents to feature films, and studied with prestigious acting coaches such as
Margie Haber and
Ivana Chubbuck.