Brenda Song was born in Carmichael, California, to a Hmong father and Thai mother. Her parents immigrated to the United States before she was born. Showing early aptitude and enthusiasm, she quickly began pursuing her dreams of acting, setting the stage for her future career.

Brenda Song began her entertainment career at a young age. Starting with child modeling and commercials, she quickly demonstrated her talent and charisma, appearing in numerous advertisements. This early exposure provided valuable experience and helped her develop a strong foundation for her acting aspirations.