Sedona has been acting since the age of six, both in the United States and Australia. She received a five-year entry scholarship to the prestigious McDonald College, a performing arts high school, located in Sydney, Australia. In addition, she auditioned for and won the coveted Anne McDonald Scholarship for acting. Sedona was given the lead role in Sydney Film Schools` short film titled Girl. Sedona`s first break came when she was cast as Blake Lively`s little sister in Sony/Columbia Pictures The Shallows (2016). Post that she featured in a few TV movies.