Sasha Pieterse-Sheaffer is a South African-born American actress, singer and songwriter. Pieterse is perhaps best-known for her role as Alison DiLaurentis in the Freeform series Pretty Little Liars and its spin-off Pretty Little Liars: The Perfectionists. Born: February 17, 1996 (age 27 years), Johannesburg, South Africa Spouse: Hudson Sheaffer (m. 2018) Parents: Zizi Pieterse, Sean Pieterse Children: 1