Snow was born and grew up in Tampa Bay, Florida. She is the daughter of: Cynthia, who works for Prentice Hall; and John Snow Senior, who ran an insurance agency[1][2] until retiring to organize Snow's schedule. Brittany has one half-brother, John Jr., and a half-sister; both of them live in Ohio. She is a good friend of Sophia Bush, Amanda Bynes, Ashley Tisdale, Zac Efron and Arielle Kebbel...as well as High School Musical's Vanessa Hudgens.[3] Brittany attended Carrollwood Day School in Tampa, Florida, for her early education (kindergarten through second grade). For middle school, she attended Ben Hill. Brittany is a 2004 graduate of Gaither High School in Tampa, Florida. She enjoys spending time with friends and family, often visiting her hometown of Tampa, Florida. Snow began modeling at the age of three and a half in a print ad for Burdines. She had a popular role at age twelve as troubled teen Susan LeMay on the soap opera Guiding Light from 1998 to 2001. She is perhaps best known for playing Meg Pryor on NBC's American Dreams and Ariel Alderman, a neo-Nazi high school student on the third season of Nip/Tuck. In 2005, Snow appeared in The Pacifier with action star Vin Diesel. In 2006, Snow was in the film John Tucker Must Die and voiced Naminé in the video game Kingdom Hearts II as well as Shizuku Tsukishima in the Studio Ghibli film, "Whisper of the Heart." Snow more recently appeared in Hairspray, a film adaptation of the Broadway musical, playing the bratty Corny Collins show queen Amber Von Tussle alongside James Marsden, Nikki Blonsky, Amanda Bynes, and Zac Efron. With her role in Hairspray, Snow shows her musical side in numerous numbers including a solo entitled, "The New Girl In Town", a song previously cut from the Broadway musical version. Snow played the lead role in Prom Night, which was released in April 2008.