Buntain is a native of Sacramento, California. She is a trained ballerina and started training around seven years old. She graduated from the American Musical and Dramatic Academy. After that, she landed a leading role as Ginny Thompson in the ABC Family series Bunheads. In 2014, she made a guest appearance in the sitcom Baby Daddy as Bailey.In 2014, she was cast in the MTV sitcom Faking It, she plays Lauren, the stepsister of Amy (Rita Volk).