Sasha Pieterse (born: February 17, 1996, Johannesburg, South Africa) is a South African American actress, singer and songwriter. She landed her first major role at the age of twelve, on ABC Family's series Pretty Little Liars. Pieterse earned a in the 2011 Disney Channel film Geek Charming. In 2013 she starred in the film G.B.F. which became a commercial and critical success.