Howl's Moving Castle (2005)

"Howl's Moving Castle" is the story of Sophie, who lives with her stepmother and two younger stepsisters after her father's death. Since they are very poor, the stepmother decides it would be best to send two of the daughters away where they can be assured of a good start in life. Sophie, the eldest, doesn't have much chance, so she stays on with her mother. However, Sophie soon crosses paths with an evil sorceress who casts a spell on her, turning Sophie into an old woman. Sophie ventures out to find some way of breaking the curse and ends up taking refuge in a moving castle.

Official website: http://disney.go.com/disneypictures/castle/