Heather Amy Matarazzo (born November 10, 1982) is an American actress. Her breakthrough role was as a geeky girl in the film Welcome to the Dollhouse (1995). She played Lilly in The Princess Diaries (2001) and The Princess Diaries 2: Royal Engagement (2004). Her other movies include The Devil's Advocate (1997), Scream 3 (2000), Sorority Boys (2002), Saved! (2004), and Hostel: Part 2 (2007). Matarazzo was born and raised in Oyster Bay, New York, the daughter of Camille, a homemaker, and Ray Matarazzo, a data processing manager for a bakery chain. Matarazzo is of Irish descent, and was adopted and raised by the Matarazzos, a strict Catholic Italian American family. She attended Oyster Bay High School, as well as the BOCES Cultural Arts Center High School. Matarazzo began acting at the age of six; after commandeering the microphone at an AIDS benefit for children, she was given the card of a talent manager with whom she remained for ten years.
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