Born in California, Nicole Theriault is the daughter of an American father, Robert Theriault and Porntip a Thai mother. Her father is a radio announcer, her mother a business woman. She began her schooling in Bangkok at Twinkle Star Kindergarten and attended grades one through three at Ruamrudee International School. She continued her education for the next three years at the Preparatory School in the United States. Her family then returned to Bangkok, where she complete her secondary education. She attended Assumption University for two year, but finished her B.A. degree in Arts at Framingham College. She also earned a bachelor degree in Business at Columbia College in Chicago. She is related to the Theriault’s family in Edmundston, New-Brunswick.

Nicole began singing in Star Search competitions in 1996 and released her first album two years later. She also acted in Thai dramas and a movie, One Night Husband.

Nicole married Jirasuk Panphum on 24 January 2004. They had one son before they divorced on 15 February 2008