In 1996 she graduated from California State University, Fullerton, in Fullerton, Orange County.
She is also known for her recurring role as Meredith Champagne on Pretty the Series.
She was previously in a relationship with Melanie Goldstein from 2006 to 2013.
Vangsness is the recipient of various accolades including; the 15 Minutes of Female Best Actress Award, the Golden Betty Award and the Los Angeles Drama Critic Award.
In November 2015, she became engaged to actor and writer Keith Hanson.
In June 1990, she graduated from Cerritos High School and attended Cypress College in Cypress, Northern Orange County, California.