Kristin Cavallari was born in Denver, Colorado, the youngest of two children. When her parents divorced, her older brother moved with their father to Laguna Beach, California, while she moved with their mother to Barrington, Illinois, a suburb northwest of Chicago. After having trouble adjusting to a new life with a stepfather and stepbrother, Cavallari moved to California to be with her dad and brother, and was enrolled at Santa Margarita Catholic High School her freshman year of high school. After she attended a Driver's Education course through Laguna Beach High School, her father enrolled her in LBHS.
