Snow began modeling at the age of three in a print ad for
Burdines department stores. She was on
CBS' soap opera
Guiding Light for three years as troubled teen Susan "Daisy" Lemay. She played Meg Pryor on
NBC's drama series
American Dreams and also sang backup vocals on the
American Dreams soundtrack for the song "My Boyfriend's Back." She portrayed
neo-Nazi high school student Ariel Alderman on the third season of
FX's
Nip/Tuck and also appeared in the family comedy film
The Pacifier (2005) alongside
Lauren Graham and
Vin Diesel. In 2006, Snow appeared in the teen romantic comedy film
John Tucker Must Die (2006) opposite
Jesse Metcalfe. The film was a commercial success and made $68 million worldwide. Also in the same year, she voiced
Naminé in the video game
Kingdom Hearts II and Shizuku Tsukishima in the English dub of the
Studio Ghibli film
Whisper of the Heart. She also portrayed a young woman afflicted with
bipolar disorder in the season seven finale of
Law & Order: Special Victims Unit and also appeared in the music video for "The Phrase That Pays" by
The Academy Is..., which was released in July 2006. Snow appeared in
Hairspray (2007), a film adaptation of the
Broadway musical, playing Amber Von Tussle, the daughter of
Michelle Pfeiffer's character. She had already worked with
Hairspray director
Adam Shankman on the
Disney film
The Pacifier. With her role in
Hairspray, her musical side is shown in several numbers including a solo entitled "The New Girl In Town", a song previously cut from the Broadway musical version. She played the lead role of Donna Keppel in the slasher film
Prom Night (2008), which was released on April 11, 2008, and grossed $57.2 million at the box office. Snow appeared as young
Lily Rhodes in
Gossip Girl, in the episode "Valley Girls". On January 17, 2011, Snow began appearing as a series regular in the first season of the
legal drama ''
Harry's Law, and returned as a recurring character in season two. She starred alongside Evan Ross in the thriller film 96 Minutes'' (2011). In 2012, Snow starred in the musical comedy film
Pitch Perfect, as
a cappella singer Chloe. She reprised her role in
Pitch Perfect 2 (2015), which received generally positive reviews from critics and grossed over $287 million worldwide. It surpassed the total gross of the original film ($115.4 million) in five days, and also became the highest-grossing music comedy film of all time, overtaking
School of Rock ($131.3 million). She again reprised her role a final time in
Pitch Perfect 3 (2017), which received mixed reviews from critics and grossed $185 million worldwide. In November 2012, she was cast in the sitcom
Ben and Kate as Lila, a love interest for Tommy. Snow portrayed Michelle in the comedy film
The Late Bloomer (2016) and had the lead role of Lucy in the
action thriller film Bushwick (2017). '' (2019) co-stars
DeWanda Wise,
Gina Rodriguez, and Brittany Snow play the Real Or Fake cocktail game on
MTV.Snow portrayed Blair Helms in
Netflix's
romantic comedy film
Someone Great (2019). Snow announced her engagement to realtor and pro surfer Tyler Stanaland on February 19, 2019. They married in Malibu on March 14, 2020. Snow announced their separation through social media on September 14, 2022, and the two finalized their divorce in July 2023. She starred in filmmaker
Ti West's horror film
X (2022) as Bobby-Lynne Parker. Snow made her directorial debut with
Parachute, which premiered at the
SXSW festival in March 2023. She starred in the short film
Red, White and Blue (2023) as Rachel, a single mother working as a waitress, urgently searching for an
abortion. Because she lives in Arkansas, where abortion is
effectively illegal, she travels with her preteen daughter Maddy to an
abortion clinic in Illinois. It was nominated for
Best Live Action Short Film at the
96th Academy Awards. This role marked the first time Snow portrayed a mother, saying: "I think what I related to is that I'm not a mom yet, or necessarily, but I do think a lot of women have to face really hard challenges and yet be very strong and stoic and silent in a way." and on the Netflix psychological thriller miniseries
The Beast in Me as Nina Jarvis, the wife of a real estate magnate who is suspected of murdering his previous wife. Snow currently stars alongside
Malin Akerman in the drama series
The Hunting Wives as Sophie, a woman who moves from Boston to East Texas and begins a sordid affair with Margo (played by Akerman), the wife of her husband's new boss, while getting entangled in the murder of a teenage girl. == Philanthropy ==