Coraline

Directed by Henry Selick Coraline is put next to extravagant films such as Tim Burtons A Nightmare Before Christmas.
The main character Coraline who is voiced over by the most acclaimed teen actress Dakota Fanning moves into a grandiose house and finds herself going through a door into a new world where everything seems.. better. Though on the surface this parallel universe is strikingly similar to the life she currently leads everything takes a turn for the worse. She discovers that the main goal of her "new and better" parents are to keep her there forever! Corlaine must rely on her own bravery and courage in order to get back home and save her parents.

*thanks imdb for the much needed and useful information(:
http://www.imdb.com/title/tt0327597/plotsummary