Julia Stiles recalls being told she was 'too serious' Julia Stiles has opened up about her experiences of stardom. 26 April 2026 Julia Stiles was told she was "too serious" as a young actress. Julia Stiles has opened up about child stardom The 45-year-old movie star started acting at age 11, performing with New York's La MaMa Theatre Company, and she enjoyed huge success around the turn of the century - but one piece of advice always stuck with Julia.