Because you like Paige Collins in The Vow

Anastasia Steele's new boyfriend Christian might as well come with a warning label that reads "Beware: Severe Issues That Might Warrant a Trip to Dr. Phil." See them in Fifty Shades of Grey.

Kate Beckett is a no-nonsense policewoman with a nerdy side. See them in Castle.

Dimitri Belikov is a stoic vampire guardian who has the reserve, focus, and discipline of a soldier. See them in Vampire Academy .

Curiosity and compassion aren't always to Jonas' advantage. See them in The Giver.

Sam Montgomery works hard, but her evil stepmother makes sure her efforts don't pay off. See them in A Cinderella Story.

Wanderer is a Soul, a parasite sent into a host to take over their body, extracting information from them and colonizing their species. See them in The Host.

Vivian Ward is a no-nonsense working girl with fairy-tale dreams. See them in Pretty Woman.

Jack's big imagination is never limited by his incredibly cramped surroundings. See them in Room.

Margo loves mysteries so much that she becomes one. See them in Paper Towns.

A girl who grew up on stories, Meggie Folchart is as loyal and intrepid as one of her fictional heroines. See them in Inkheart.

Although life in a post-apocalyptic world is far from easy, Julie Grigio maintains her sense of humor. See them in Warm Bodies.

Romantic, impulsive, and captivated by the joys of life, Natasha Rostova is on the messy path of growing up. See them in War and Peace.