Christine Daaé is a character in fiction.
Christine Daaé is a fictional character and the female protagonist of Gaston Leroux 's 1910 novel The Phantom of the Opera and of the various adaptations of the work . Emmy Rossum . She starred in the science-fiction film The Day After Tomorrow ( 2004 ) and received critical acclaim for her performance in the leading role of Christine Daaé in The Phantom of the Opera ( 2004 ) .