Sasha Pieterse opens up on ‘The Squeeze’ about gaining 70 pounds when she was 17, due to PCOS. Sasha Pieterse opens up to ET about 'Pretty Little Liars: Original Sin' and 'Ivy + Bean,' which ...

Based on Adele Parks’ hit novel of the same name, ‘The Image of You’ costars Parker Young, Nestor Campbell and Mira Sorvino Sasha Pieterse is double the trouble in The Image of You.

Sasha Pieterse (born 17 February 1996) is a South African-born American actress. She is best known for her leading role as Alison DiLaurentis in the mystery-drama hit series "Pretty Little Liars ...