About
Sasha Pieterse Sheaffer is a South African-born American actress and singer widely recognized for her portrayal of Alison DiLaurentis in the Freeform series *Pretty Little Liars*. Her role in *Pretty Little Liars* and its spin-off, *Pretty Little Liars: The Perfectionists*, propelled her to international stardom and garnered her critical acclaim. Pieterse began her acting career at a young age and has since become a prominent figure in the entertainment industry.
Career Timeline
Pretty Little Liars Launch
Her role in 'Pretty Little Liars' marked a breakthrough in her career, bringing her widespread recognition.
Pretty Little Liars Finale
The series finale of Pretty Little Liars allowed Pieterse to explore new opportunities.
The Perfectionists Spin-Off
Reprised her role in 'Pretty Little Liars: The Perfectionists,' maintaining her connection to the franchise.
Dancing with the Stars Appearance
Competition on Dancing with the Stars gained more exposure.
Working TV Actress
Pieterse continues to work in television and film, building on her established fanbase from 'Pretty Little Liars'.
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Last updated: February 21, 2026