Rappich grew up in Sigtuna, a suburb to Stockholm of Sweden and got her first role of a coincidence when the production company FLX visited her school. She made her debut by playing the role of a close friend to the main character in Netflix's first Swedish produced drama series Quicksand which premiered on 5 April 2019. Alongside the spectacle, Rappich attends the social science education at Sigtunaskolan Humanistiska Läroverket.