Hansen grew up in Santa Ana, California. She is the eldest of 8 children and grew up in a 4-bedroom-house along with 23 other people. She is of Polynesian (mainly Tongan) descent, and also has some Samoan, Fijian, and Danish roots. Hansen performed in public for the first time while singing the national anthem at the age of seven. In 2011, she recorded her first single titled "Dancing Like a White Girl". She attended Orange County School of the Arts and graduated in 2015.