Executive producer Carlton Cuse said that Grace's departure from the show was "sort of a win-win" as she was eager to enter a full-time career in film.After leaving the series, she nevertheless joined the other principal Lost cast members of season 2 onstage at the 12th Screen Actors Guild Awards where Lost won the award for Outstanding Performance by an Ensemble in a Drama Series.
Grace says that the person she is most inspired by is her mother.
When asked about her closest friend, she said that she and her mother were more like sisters and that she is "lucky to have an exceptionally cool mum".
Grace dropped out of high school to move to Los Angeles, California with her mother, while her younger siblings Ian and Marissa continued to live with their father.
In Los Angeles, Grace and her mother moved around often as they struggled financially, taking out short-term rents rather than paying for permanent residence while eating a basic diet as it was all they could afford.
She played the lead in Simon Fellows' Malice in Wonderland, a modern adaptation of Lewis Carroll's Alice's Adventures in Wonderland.