Irish actress who became known for her role on Showtime's The Tudors. She portrayed Princess Aurora in ABC's Once Upon A Time. She also appeared in the feature film The Spiderwick Chronicles.
She attended The Young People's Theare School in her home city of Dublin, Ireland.
She was nominated for a Critics Choice Award for 2002's In America.
She has one younger sister, Emma, who is also an actress. She has two dogs.
She starred in The Spiderwick Chronicles with Mary-Louise Parker .