|“|| It dawned on me that this is an end to an era. A very important era, but even more importantly it was a time to celebrate. To embrace the incredibly wonderful time we all shared together and to soak in every bit of joy it had brought me and others. PLL…playing Alison has been such a crucial part of my childhood and now adulthood.We. are. family. and Rosewood will forever live on!
I wholeheartedly ADORE YOU!
— Part of Sasha Pieterse's goodbye letter to PLL
At the age of six years old, Sasha Pieterse made her first appearance on Television. Co-starring in a WB Comedy TV Series, Family Affair (2002) as Buffy, she captured the hearts of the nation. As she grew older she developed life in the land of showbiz. Born in Johannesburg, South Africa, the curly haired child got her break. She was raised in Las Vegas, but moved to Los Angeles to further her career. At a young age, her parents noticed how curious she was about stage shows and took decided to enroll her into acting classes. In 2003, a year into her career Sasha won a Young Artist Award for Best Performance in TV series. As she grew and matured into the star she was born to be, Sasha continued booking roles.
In 2004, She made a guest appearance in Stargate SG1, and it wasn't long before she booked 2 episodes in 2005's TV Series "Wanted." But what really got the critics talking was a role she booked on the ever growing popular drama "House MD;" She played a young girl named Andie with terminal cancer. Her performance was so breathtaking, she was considered for a daytime Emmy for 2005. Sasha continued to rise in the career, landing a role in the creator of "Spy Kids." Sasha had two roles as Marissa and the Ice Princess in The Adventures of Sharkboy and Lava Girl. At the age of nine, she had five acting credits to her name, but was not forgetting her commercial work and modeling. She took part in Macy's Passport Show in 2004 and appeared on the cover of Childrens Business Magazine.
During 2006, she filmed for a feature starring Sarah Michelle Gellar called The Air I Breathe. She then landed a lead in a "Hallmark Hall of Fame Movie" as Maggie in Claire. Both were released in 2007. Later that year, she appeared as the Goth Girl in Jessica Alba's Good Luck Chuck, and walked the Blue carpet at the Premiere in September 2007 with gorgeous style getting the paparazzi talking. We've watched Sasha grow from a little girl into a mature teen. She looks slightly older for her age, but is mature enough for any role she takes.In her spare time, she loves to hang out with her friends and go to parties. She has a Pekinese dog named Precious, a Persian cat named Pasha, and a fish named Crystal. She also enjoys music. During 2007 and 2008, she spent time living life as a kid. Though she still booked 2 guest roles, one in "CSI Miami" and a 2009 Release of an guest appearance in Without a Trace. Sasha supports many charities including Camp Ronald Mcdonald for Good Times, making regular appearances with friends and costars to carnivals and signings. She is also friends with actors Taylor Lautner and Taylor Dooley from working with them on set of Sharkboy" and Lava Girl. In 2011, Sasha did a Disney Original Movie: Geek Charming, with Sara Hayland and Matt Prokop.
In 2010, brings Sasha returned to TV with a recurring role as Amanda on the hit show, Heroes and as Alison in the highly anticipated Pretty Little Liars TV Show on ABC Family, based on the popular book series by Sara Shepard. She originally auditioned for the role of Hanna.
Sasha is also records her style of music. In 2013, Sasha released her first country single - "This Country Is Badass" followed by "R.P.M", "I Can't Fix You" and "No". She also starred in the film G.B.F as Fawcett Brooks.
In 2014 she appeared in an episode of Hawaii Five-0 as Dawn Hatfield. She played Japonica Fenway in the Paul Thomas Anderson film Inherent Vice.
In 2015 she appears in the film Burning Bohdi as Aria, and 2 years later in 2017 she appeared in the Netflix Original movie Coin Heist.
|2005||The Adventures of Sharkboy and Lavagirl in 3-D||Marissa / Ice Princess|
|2007||The Air I Breathe||Young Sorrow|
|2007||Good Luck Chuck||Goth Girl "Anisha"|
|2011||X-Men: First Class||Teenage Girl|
|2011||Geek Charming||Amy Loubalu|
|2017||Coin Heist||Dakota Cunningham|
|2002||Family Affair||Buffy Davis|
|2009||Without a Trace||Daphne Stevens|
|2010–2017||Pretty Little Liars|
|2014||Hawaii Five-0||Dawn Hatfield|
|2014||Inherent Vice||Japonica Fenway|
- She was in the music video for "Rewind" by Skye Stevens.
- Sasha Pieterse originally auditioned for Hanna Marin in Pretty Little Liars.
- She was tweleve when the cast shot the pilot episode for PLL, and thirteen when they shot the first season, making her the youngest cast member.
- Sasha has a nose piercing.
- Her favorite color is red.
- She has a dog named Precious, a Persian cat named Pasha, and a fish named Crystal.
- If she isn't acting, she would pursue Marine Biology.
- Her and her co-star, Ryan Merriman (Ian Thomas) have both starred in episodes of Hawaii Five-0.
- Her favorite food is smoothies.
- She likes Lucas better than Noel.
- Sasha likes Aria's style the best.
- She prefers Los Angeles to South Africa, where she was born.
- On December 22, 2015, she became engaged to long-time boyfriend Hudson Sheaffer. 
- Ironically, Sasha played a girl named Aria in the 2015 film titled, Burning Bodhi, even though she plays Alison on Pretty Little Liars.
- She had an A cake for her 21st birthday.
- She has a blog called Sasha in Good Taste.